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Chocolate: a new medicine? Part One

Tuesday, March 27th, 2012

Dark chocolate, in small amounts, is good for youI was reading The Wall Street Journal this morning and came across an article titled "A Chocolate a Day to Get Slimmer?" I'm not a major chocolate eater, but had heard something on NPR about this study yesterday, so ate eight small pieces of dark chocolate at a board meeting last evening. Then, when I weighed myself before breakfast today, I realized I was down 2.8 pounds.

Should I continue this increased chocolate consumption or was that, as I of course knew, just "water weight" I'd lost? The previous night I'd eaten a prolonged meal with friends at our favorite Thai restaurant and the next morning had gained over three pounds.

Let me digress a bit. Whenever I mention water weight I'm really referring to fluid that the body keeps because of dietary salt excess. I normally don't use table salt, as I have a family history of high blood pressure and was aware that most of us, eating a typical American diet, were ingesting far too much sodium, the crucial element in table salt. When I eat out I expect my weight to bounce up a few pounds and don't worry about that short-term increase. The salt in the food causes me to retain fluid and therefore to gain weight temporarily. Many diet plans that advertise losing five or more pounds in the first week are really helping people get rid of water weight.

Okay, back to chocolate. The article I mentioned is important, but the message it's carrying is nothing new. In 1973 I saw Woody Allen's movie, "Sleeper" in which he plays a nerdish store owner who is revived out of cryostasis (a form of preservation using ultra-cold temperatures) after 200 years. In that future world science has shown chocolate to be good for you.

Two prominent food gurus, Andrew Weil and Den Ornish, mention health benefits of chocolate. I found Dr. Ornish's 2007 Newsweek article,"Chocolate to Live For," in which he mentions a host of medical studies showing dark chocolate, which has higher amounts of beneficial chemicals called flavinoids, may lower blood pressure and and improve blood flow to your brain and heart. White chocolate and milk chocolate have very small amounts of flavinoids and bitter dark chocolate has the most.

Eat a small bite of dark chocolate and meditate

The phrase "moderation in all things" dates back more than two thousand years to a Roman "comic dramatist." It certainly applies here. None of the articles I read were about eating a lot of extra calories in the form of chocolate. Dr. Ornish's approach made sense to me; he very slowly eats a bite of dark chocolate, meditates while doing so by focusing on the experience with all of his senses, and regards the very first bite as being the most pleasurable.

What a great way to eat something he regards as a special treat as well as a health food.

I've never tried that with chocolate, but having read his magazine piece, I'll try that approach.

I'll continue with more medical background on chocolate in my next post, but to whet your appetite will give you a link to today's article in WSJ.

Happy chocolating.

 

 

 

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Posted in balanced diets, chocolate, Food Choices, Healthly lifestyle, Healthy eating, medically-oriented background info, mental health issues | No Comments »

The very high-priced spread

Saturday, February 4th, 2012

This obese teenager could be headed for trouble

I've been concerned about our burgeoning problem of excessive weight, so when the Journal of the American Medical Association for February 1, 2012 arrived, I was intrigued by the variety of articles touching on the subject. Let me start with a disclaimer: I have no clear-cut special competence, no magic bullet for preventing or treating obesity in our children. I do think it's a major threat to the upcoming generations here and elsewhere in the world. I am also very aware that its opposite numbers, hunger and even starvation, threaten whole populations around the globe.

But my own background, both as a physician and as someone who has successfully fought weight issues (I weighed 218 in 1969 and 148 this morning), has made me concentrate on the American epidemic of eating to excess as a major area of my interest.

The first article dealt with kids and adolescents. A group of CDC researchers reported an update on obesity in American kids, giving data from 199 to 2010. The newest statistics show nearly ten percent of our infants and toddlers are obese and close to 17% of our kids ages two to nineteen. As the kids got older, more boys than girls were obese in this survey with over 4,000 participants.

Then there was an article titled "Weight Loss Stratagies for Adolescents," based on a Boston Children's Hospital Conference roughly a year ago. The MD, PhD Harvard Professor of pediatrics who discussed the issue began with the case history of a particular obese girl, a fourteen-year-old who was five foot six and weighed nearly 250 pounds (giving her a body mass index,BMI, of 40). Her adoptive parents were overweight themselves, but had to learn to "back off" in their attempts to control her diet. There is some early data that suggests that parents can help by providing health food choices in the home and facilitating enjoyable physical activity throughout the day (versus a fixed "exercise time).

I had seen an example of that with some former neighbors whose boys, in order to have their one hour of "screen time," had to be outside playing for several hours at a time. Both youngsters were lean.

One critical point to be made is avoiding focusing on obese kids only. A large Danish study, published in the New England Journal of Medicine in December, 2007,  followed over a quarter million children born in the 1930 to 1976 time period. Denmark established a national civil register of "vital statistics" in 1968 and enrolled everyone in the country, giving them a unique number, ironically termed their CPR number. Although that had nothing to do, I gather, with cardiopulmonary resuscitation, which is what I think CPR means, the study did look at risk factors for coronary heart disease.

When your heart's on fire, it may not be from love

The results are impressive and threatening: every one point increase in BMI across the spectrum was associated with an increased risk of coronary artery disease. A child didn't have to be fat to be at risk later on. One calculation estimated that a 13-year-old boy weighing 25 pounds more than the average had a one-third increase in the likelihood of having a heart attack before the age of sixty.

It's time to start helping our kids live leaner and longer, healthier lives.

 

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Posted in balanced diets, coronary artery disease, Exercise possibilities, Food Choices, Healthly lifestyle, Healthy eating, Healthy food shopping, JAMA, Life Expectancy, medically-oriented background info, Obesity, our kids and their weight issues, Publications, weight gain | No Comments »

What sweetener do you use: Part 6; the fake sugars

Wednesday, February 1st, 2012

Nearly a month ago I started to write a post on the "Fake sugars," I had read an article on them in the Personal Journal section of The Wall Street Journal, but got distracted when I realized I needed to think about (and write about) table sugar and high fructose corn syrup.

they're all sweeter than sugar

So now I'm finally going to start on the artificial sweeteners. There are four major ones that WSJ reviewed (they even had a panel of tasters): Sweet'N Low, Equal, Splenda and Truvia. They came on the market, respectively, in the 1970s, 1980s, 2000 and 2008. All have zero calories per packet, whereas table sugar has 15 or 16, depending on who you read, per teaspoon. They cost much more than sugar and are considerably sweeter. A Mayo Clinic article online reviews the general subject and terms these chemicals as intense sweeteners.

The National Cancer Institute mentions that they are regulated by the FDA and, in an August 2009 online paper, states there is "no clear evidence that the artificial sweeteners available commercially in the United States are associated with cancer risk in humans."

The most recent addition to this mix, called Truvia when it's made by Coca-Cola and Cargill, or PureVia when it's parents are PepsiCo and Merisant, comes from a plant called Stevia, found in South America. Stevia has a curious history in the United States; it was added to teas by Hain Celestial until the FDA got an anonymous letter questioning its safety in late 2007. At  that point the FDA banned its use in foods, but in 2009, faced with major industry interest, Stevia by-products were approved as food additives (but not Stevia itself).

Stevia, saccharin and the real sugar

Now Truvia and PureVia are being used in a wide range of processed food and beverages. A cousin to the chemical they contain has been extensively used in Japan for over twenty years without major side effects being noted and Stevia, the parent plant, has not only been used for centuries in South America, but also touted for its supposed health benefits.

So why do I have some lingering doubts, in fact some major concerns about all of these chemical food additives, not excluding Truvia and PureVia?

As best I can tell the vast majority of the research on them has been sponsored by the same companies that profit from them. I fail to see independent, carefully performed, double-blind controlled studies especially on the "new two." Some research has been done on their chemical components, including one four-month study on type 2 diabetics that did not show either high blood pressure or high blood sugar as a result of consuming the active agent in Truvia.

But it's not just diabetics who are being exposed to the chemicals in these sweeteners. Most of us are, if we consume a diet drink or anything labeled "light." And medical history informs us that untoward effects may show up in relatively small number (or perhaps even large numbers), years later.

So I'm going to avoid "fake sugars" whenever I can. And perhaps, just perhaps, someday I'll find out I was being smart in doing so.

 

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Posted in additives, blood sugar, chemistry, Fake sugars, Food Additives, Food and Drug Administration (FDA), Food Choices, Food safety, medically-oriented background info | No Comments »

What sweetener do you use: Part 5; Fructose effects

Saturday, January 28th, 2012

A good place to start researching

I basically knew what happens when we ingest glucose, (eating it or drinking it depending on whether it's in solid or liquid form, e.g frosting versus sweetened tea) : it goes through the liver and heads off to muscle and other body parts where insulin activity is responsible for energy use. But I wanted to compare its effects to those of fructose. First I found an old article (1986 vintage) in the American Journal of Physiology (AJP), hardly a bedside reading item for me these days, but one I used to proofread for as a research fellow. That, once I translated it into English that I could understand, changed my mind a bit.

Glucose does lead to an increase in insulin levels and an increase in carbohydrate breakdown, while lipid (fat) breakdown slows down. The net result is a considerable bump in energy use. 'So far, so good,' I thought. But a comparable amount of fructose resulted in a much smaller increase of insulin, yet considerably more carb breakdown and even less fat breakdown. So even more energy was used. That I hadn't expected, but this study was a one-time experiment with seventeen healthy folk followed for a few hours.

So my next question, and I thought this one was far more important, was what happen longterm?

Let's look at animal research first. A group from Princeton published an article online in a journal called Pharmacology, Biochemistry and Behavior in February 2010. Tha basic conclusion from these scientists contradicted what I had read elsewhere, but made sense. They concluded all sweetener calories are not equal-- after feeding rats standard foods and adding either table sugar-sweetened water or HFCS-sweetened water. Even if the HFCS water was less sweet overall, the rats gained more weight. Long-term feeding experiments showed rats fed HFCS developed many of the signs of the "metabolic syndrome." weight gain, fat deposition in the belly and abnormal blood levels of trigclycerides.

So fructose was being metabolized to form fat, while glucose was being used as it normally is. That brought their thoughts back to why fructose in HFCS is different from that in table sugar. According to this research group, HFCS contains free, unbound fructose while that found in table sugar is always tied to a glucose molecule. Their concept is that table sugar fructose has to go through an additional chemical process, freeing it from glucose, before it can be used by the body.

So why should we care what makes rats fatter?

But here's our real target

I found a long article in The Journal of Clinical Investigation (JCI), the other research magazine my boss (and I) reviewed potential articles for in 1970 to 1972. Here people who who overweight or obese to begin with were fed either glucose- or fructose-containing liquids for ten weeks.

And the results were similar. Those getting fructose had more belly fat develop. I think translates to more chance of heart disease  and other long term complications.

The evidence is gradually adding up; I think HFCS is something to be avoided. Let's feed our kids and ourselves more fruits and vegetables and less processed foods.

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Posted in blood sugar, chemistry, Food Choices, fructose research, Healthy eating, high-fructose corn syrup, medically-oriented background info, our kids and their weight issues, Publications, scientific controversies, Unhealthy eating | No Comments »

What sweetener do you use? Part 1

Wednesday, January 11th, 2012

real sugar has some calories

I have a confession to make. On the rare occasions when I do use a sweetener, I actually use sugar or occasionally honey.

Now that doesn't happen very often; I don't have all that much of a "sweet tooth" and usually add a few Crasins to my unsweetened cereal in the morning and drink a non-coffee called Cafix (now that's a clever name; I suppose it's implying "Caffeine Fix") with a small amount of vanilla soy milk, but no sugar.

On Wednesday, January 4th of this year, The Wall Street Journal had a big spread in their "Personal Journal" section with an eye-catching title, Bracing for the Fake Sugar Rush." In the article four artificial sweeteners, Truvia, Splenda, Equal and Sweet"n Low' were compared to sugar. Prices were listed, tastes and aftertastes were compared, the sweetening agents were mentioned and the calories noted (0 for the articial sweeteners and 15 calories per teaspoon for the good old fashioned stuff).

Then I started thinking. I knew that adding 3,500 calories to my food intake theoretically would result in a weight gain of a pound. Since I enjoy math I wanted to figure out how much sugar that is. That translates into 233 and 1/3 teaspoons full or 1.167 kilograms of sugar (about two and a half pounds). So I'd have to eat two and a half pounds of sugar to, in theory, gain a pound of weight?

These three don't; but do they have any risks?

I went back to the article I just mentioned: my real reason for not using artificial sweeteners is two-fold. The WSJ admittedly "unscientific taste test" confirmed one of those; all four of the fake sugars had strange aftertastes according to their samplers: one was "Tab-like," one was compared to soap water, another termed metallic and the fourth said to leave a taste "like a copper pipe."

The other is safety; consumers often hear much later of concerns about new chemicals, whether they be sweeteners or medications. The managing director of a "brand-consulting firm" says one worry is "Did they test it on enough rats over a long enough period of time?"

Well, I've done basic lab research with rodents (three and a half years in medical school) and I'd really like to be able to say those experiments directly apply to humans, but I can't be sure that's a true statement. I did later work with dogs and when my boss (an associate professor at UCLA) was getting ready to present some of our results at an international conference, he came up with a great idea.

"Peter," he said, "when I show the slides with our data, someone in the back of the room is going to get up and ask if humans react the same way. So let's replicate our experiment in at least a few people."

Guess who was the first of those "people?" I was poked and prodded and infused with the same materials as our dogs.

In our case the data was essentially the same and when that inevitable heckler at the back of the room said his piece, my boss replied, "Let's have the first large slide."

But how much safety testing has been done with humans for these sweeteners? I'll try to find out if there are any long-term data on those of us who use non-caloric alternatives to sugar and write about that next.

 

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Posted in additives, Fake sugars, Food Additives, Food Choices, medically-oriented background info, Publications, tricks and gimmicks, weight gain | No Comments »

Slim down those truckers

Wednesday, November 23rd, 2011

some truckers are relatively slender

I have two series of posts going, but couldn't resist the article I found in the New York Times while riding a recumbent bike in the gym. The title alone, "A Hard Turn: Better Health on the Highway," was enough to grab my attention.

The first story was typical, a trucker driving long hours every day, eating all the wrong foods, getting no exercise, gaining huge amounts of weight. I found the online abstract of a 2007 Journal of the American Dietetic Association article cited: long-haul truckers of necessity eat at truck stops and of 92 such truckers stopping at a Mid-eastern US truck stop nearly 86% were overweight and 56.5% were obese.

One of our family members used to be a truck driver and I've heard his stories of long days spent behind the wheel, eating greasy foods when he stopped. He's slimmer now and in better shape as his current employment allows him more exercise time and a choice of where and what to eat.

Now that insurance costs are rising sharply, the trucking firms are getting involved and the truckers themselves, there's over three million of them in the US, are coming to grips with the issue out of necessity. One group ran a blood-pressure screening clinic for 2,000 truckers at a truck show. Twenty-one were immediately sent to a nearby emergency room; one had a heart attack before reaching the hospital.

drive carefully around trucks like this

Trucks are involved in 400,000 accidents a year and 5,000 fatalities. I just watched a nearly eighteen minute video on how we, as drivers of passenger vehicles, contribute to those accidents; 70% are caused by the drivers of other vehicles (see link below). Yet many of the ones caused by trucker driver error occur because the trucker has a health problem or falls asleep.

http://www.sharetheroadsafely.org/cardrivers/Unsafe-Driving-Acts.asp

Some truckers are taking steps to decrease their weight and its accompanying risks for themselves and those who share the roads with them. A number of companies are helping (and perhaps finding a lucrative new client group). I just looked at a website for "Rolling Strong," and found a gym in my area that offers fitness programs for truckers. Others are joining Weight Watchers, a solid organization that my slender wife has belonged to for many years (she says she was "chunky" in high school) or creating their own programs for fitness: one carries a fold-up bike in his 18-wheeler and uses it whenever he stops for a break. Many are cooking in their trucks or even hiring a trainer.

Others joined the Healthy Truckers Association of America, paying $7.50 a month to belong to an organization that is rapidly growing (see link below to Chicago tribune article). That group now offers truckers a prescription drug card enabling its members to save ~60% on meds.

http://healthytruck.org/node/101

I applaud all these moves; if I'm on the road with a large truck or a series of them, I'd like their drivers to be in shape and wide awake.

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Posted in Complications of Obesity, diabetes type 2, Dieting, Exercise possibilities, Food Choices, Governmental Efforts, Healthly lifestyle, Holiday/travel eating, Obesity, Publications, tricks and gimmicks, Weight Loss | No Comments »

Do our kids have a bleak future?

Saturday, November 19th, 2011

As close to a salad as he'll get

I'm taking a break today from my series of posts on greenhouse gases, alternative energy source, volcanoes and global warming. All of those will affect the generations to come and those now growing up, but I want to re-examine another side of their issues. This morning I read two articles and one newspaper report on the heart health prospects for our American kids (and, by extension, kids elsewhere in the developed/rapidly developing world). The initial article came from a section of the Wall Street Journal I hadn't gotten around to reading yesterday and was about to recycle. Then I saw a title that caught my eye, "Kids' Hearth Health Is Faulted."

I found a CDC website with an explanation of the National Health and Nutrition Examination Survey, NHANES. This is a continuation of a US Public Health Service effort started 40 years ago and is updated annually. Medically-trained interviewers may well come to your town and even to your front door someday. The data they obtain is used in many ways (I'll paste in a website that leads you to some comments on NHANES as well as to a link to a video).

Now a portion of the survey/study looked at 5,450 kids between 12 and 19, finding they were a long ways from matching the American Heart Association's (AHA) seven criteria for idea cardiovascular health (see 2nd link below to Harvard's Beth Israel Deaconess Medical Center's article on the subject). The adult health measures, known as Life's Simple 7, are: 1). Never smoked or quit more than a year ago; 2). Body Mass Index (a measure of height versus weight) <25; 3). Physical activity on a weekly basis for 75 minutes (vigorously) or 150 minutes (moderate intensity).; 4). a healthy diet (four or more components meeting AHA guidelines); 5). total cholesterol <200 mg/dL; 6). blood pressure (BP) <120/80; and fasting blood glucose (AKA blood sugar) <100 mg/dL. The original article was published in the journal Circulation January 20, 2010 and is available free online. The metrics are slightly different for kids.

So where do our kids stack up? If you exclude eating a healthy diet, only 16.4% of boys and 11.3% of girls meet the standards for the other six criteria; if you include diet, none of them do. They don't eat four to five servings of fruits and vegetables a day; they also don't get enough whole-grains or fish and they consume far to much salt and sugar-sweetened drinks. Only one fifth of them even eat "fairly well."

drop that hamburger and run for an hour

Many of then also don't exercise on a daily basis for at least sixty minutes (50% of the boys do and 40% of the girls). More than a third are overweight or obese.

There's some hope: a just-published article in the New England Journal of Medicine, examining the data from four studies following 6328 kids, found that those who do manage to lose weight had lower risk for type 2 diabetes, hypertension, abnormal lipids and carotid artery disease.

So I'm heading to the health club and will read the 2010 Circulation tome on an exercise bike.

Thus far my one biologic grandson, about to be 12,  is physically active and slender. I'll encourage him to stay that way and the non-biologic grandkids to follow his example.

More on this subject to come.

Check out these articles:

Survey Results and Products from the National Health and Nutrition Examination Survey

AHA Defines "Ideal" Cardiovascular Health

 

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Posted in Complications of Obesity, diabetes type 2, Exercise possibilities, Food Choices, Food-related disease, Life Expectancy, medically-oriented background info, our kids and their weight issues, physician initiatives, Publications, strategies for healthy aging, Unhealthy eating | 3 Comments »

A better school lunch: Greeley in the New York Times Breaking News

Saturday, August 20th, 2011

It's time for a better school lunch

I was reading the NYT breaking news on my Kindle this morning, when to my surprise I saw an article, "Schools Restore Fresh Cooking to the Cafeteria," on school lunches in Greeley, Colorado. We live 20-25 miles northwest of Greeley and I'd never thought of the city as being a hotbed of innovation.

At a tad under 93,000 inhabitants, Greeley is mid-sized at best, but 60% of its 19,500 students qualify for lower-priced or free meals, so they have decided those meals will be healthy ones.They're not alone in this endeavor. The Physicians Committee for Responsible Medicine has a campaign whose motto is,"Foods served in schools should promote the health of all children." Their 2008 school lunch report card ranked twenty school districts across the nation with letter grades from A to F.

Here's that URL: http://www.healthyschoollunches.org/reports/report2008_intro.cfm

At the top with A's were schools in Montogomery County, MD, Omaha, NE, and Pinellas County, FL, I was pleased that my grandson Jordi's schools in Fairfax County, VA got an A-.  At the bottom were schools in two areas of Louisiana. I bet Greeley will climb up the list in the next few years.

So what's their plan? Like many Colorado schools, they've participated in Cooks for America, a group that runs a chef's boot camp for school cooks  Here's what that organization's website says: "Distinguishing the Cook for America® approach from that of countless other school food reform projects is its emphasis on holistic, systemic change through the creation of a school foodservice work force that is both capable of preparing healthy scratch-cooked meals from whole, fresh foods, and empowered and motivated to do so."

Greeley schools will be cooking from scratch, roughly three-fourths of the time at the start of this school year according to the NYT article, and aim to reach 100% in the 2012-2013 time frame. They'll be using fresh ingredients, avoiding chemicals (e.g., their bean burritos will have 12 ingredients this year versus 35 last year).

Although Colorado has the lowest obesity rate in the nation, Weld County, where Greeley is located, had rates growing faster than much of the state. So the numbers were crunched with amazing results: cooking from scratch will actually save money. A large foundation grant helped with construction and new equipment and the old central kitchen was renovated, so the budget for staff was actually reduced.

Chenically-colored macaroni and cheese

The district hired an experienced executive chef who trained at the Culinary Institute of America (the other CIA) and worked in high-end restaurants. He hopes his concepts for healthy cooking will wend their way back to the districts homes. One of his innovative ideas is to replace the chemically-colored commercial macaroni and cheese with a version whose familiar yellow will come from the Indian spice turmeric. His salad dressing will have no sugar and only a quarter of the sodium that's been present in the factory-made variety.

My hat's off to Greeley.

 

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Posted in cooking: new ideas, Food Choices, Governmental Efforts, Healthy eating, our kids and their weight issues, physician initiatives, tricks and gimmicks | No Comments »

Let us eat lettuce...and more

Wednesday, July 27th, 2011

I want more to a salad than just iceberg lettuce

Some years back I told my wife, "I'm tired of the same old salad; could you make a different one?"

We both cook, though she does more of of daily cooking than I do, but salad making is my least favorite part of cooking.

Over the next six weeks she never made a salad I had tasted before; her mix and match approach led to some surprises, but I'm always happy to try new dishes and almost all of them were successes. She added edamame, sunflower seeds, unusual greens; I ate them all. I finally told her, "I didn't mean an entirely new salad every time, just less of the iceberg lettuce, store-bought tomatoes and cucumber with familiar dressing.

We still eat salads at least once a day, sometimes as our main dish with chicken or fish added for protein. Sometimes we'll have a brand new mixture; sometimes I can recognize we've had this blend before and put it on the "keeper list."

Today I read about food companies attempts to get more Americans on the same dietary pathway. The Wall Street Journal had an article titled "The Salad Is in the Bag." I was amazed to read that the typical US adult eats salad with a meal only 36 times a years, roughly once every ten days. Less than half of Americans eat even one "leaf salad" in meals they serve at home in a two-week period.

The two of us are clearly on the far end of that scale when it comes to salad making. Our share of this weeks' vegetables from Grant Family Farms, our CSA, included summer squash, English peas, cabbage, carrots, kohlrabi, cilantro, parsley, green onions, a little broccoli, cylindra beets (new to us) and romaine lettuce. All of those veggies will find their way into salad

I've even gotten more enthusiastic about preparing some of the new salad combinations myself.

So what's going on with the "store-bought" salad concept?

A market research group reported the biggest issue is making salads. Apparently people don't want to take the time to wash produce, inspect it, cut it and come up with mixtures the family will eat (we won't even get into those who abhor greenery).

So some of the major food companies are responding by making salad preparation easier. One concept being explored is adding more kinds of vegetables to bagged lettuce or spinach. That way all you have to do is buy a bag, bring it home, open it before a meal and pour the contents into a salad bowl.

Well that sounds easy, but it turns out to be a bit more complicated than the simple version. One company found wheatberries absorbed moisture; their research director spent six months resolving that issue. Then there's the price issue; bagged salads cost more. Past history and the view of CPSI says there's more risk of pathogen growth and therefore of food-bourne illness.

But pre-washing with newer chemical mixtures, eliminating the need for a second wash at home, may help.

A new and improved version

Salad, anyone?

 

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Posted in balanced diets, Food Choices, Food safety, Food-related disease, Healthy eating, Healthy food shopping, Publications, Vegetables | No Comments »

But now they're adding sugar?

Friday, July 8th, 2011

We've removed the HFCS

A few days ago I re-read Taubes's July 2002 article in The New York Times and the November 2002 "Nutrition Action Health Letter" article from CSPI that looked at his claims that refined carbohydrates are the problem and contradicted many of them. I have 40+ years of personal experience of reading articles critically. I fully understand that all one sees in print may not tell the entire story or may be slanted toward a particular view of the truth.

But I was still surprised to see a Wall Street Journal article ("Personal Journal, Wednesday July 7, 2011 pp. D1-2) titled "Sweet Revenge, Chefs Pour on the Sugar."

The story of high-fructose corn syrup dates back to the aftermath of WWII. Two major war-time industries needed to continue employing large numbers of workers, especially with all the GIs returning. So toxic chemicals became pesticides and gunpowder morphed into fertilizer. Corn was felt to be the most efficient crop in converting sunlight to food energy, so it became the most favored crop. Soon there was the question of new uses for all that corn.

High-fructose corn syrup (HFCS) was first introduced by Richard O. Marshall and Earl R. Kooi in 1957.  The industrial production process was developed by Dr. Y. Takasaki in Japan from 1965 to 1970 and Takasaki is known to many as the creator of HFCS. HFCS was rapidly introduced to many processed foods and soft drinks in the U.S. from about 1975 to 1985.

High-fructose corn syrup is produced by milling corn to produce corn starch, then processing that starch to yield corn syrup, which is almost entirely glucose, and then adding enzymes that change some of the glucose into fructose.

The problem of course, is the rapid absorption of both HFCS and table sugar leading to a surge of insulin levels, resultant lowering of elevated blood sugar levels and, perhaps to hunger and subsequent over-eating. Taubes may have that part correct.

Now however, many high-level chefs are turning away from HFCS and substituting sugar. That's also been true for food-producing companies; you can now purchase Wheat Thins or Pepsi sweetened with sugar instead of HFCS.

But these are better for you

But my copy of Harvard's School of Public Health "Nutrition Source Update," led me to their new Healthy Eating Pyramid (link below) which puts sugary drinks and sweets at the small end with a comment to use them sparingly.

http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/pyramid/index.html

The chef's in the "Sweet Revenge" article have it wrong; they think HFCS is worse for you than sugar (many scientists think both have negative effects on health) and are surprised to find it in so many commercial foods, e.g., oyster crackers.

The American Medical Association and the American Dietetic Association both urge all of us to restrict our intake of all caloric sweeteners. The research director of the University of Cincinnati's Diabetes and Obesity Center says HFCS and table sugar are biochemically identical.

So I believe it's time to cut down on HFCS, table sugar, honey, brown sugar, golden syrup (made from cane sugar) and even agave nectar.

Your dentist will be happy and in the long run I think you'll have better overall health.

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Posted in Center for Science in the Public Interest, Food Choices, Food producers and less-healthy foods, Governmental Efforts | No Comments »

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