Tag Archive for: nutrition

Processed Meat and Cancer: The Headlines

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Processed Meat Causes Cancer! That was the type of headline that dominated the Internet news sites, newspapers, and local and network news. One very well known nutrition expert wrote this comment:

The just-released report from the International Agency for Research on Cancer judging processed meat as clearly carcinogenic and red meat as probably carcinogenic has caused consternation among meat producers and consumers.

Note the verbiage that says processed meat is clearly carcinogenic. More about that in a minute. California just announced it’s considering adding processed meat to the . . .

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The Dark-Chocolate Study: The Problems

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After Thursday’s memo, you’ve got to be wondering what could be worse with the dark-chocolate study than its misleading conclusions. I’m going to examine the process the author explained in his faux study to show how that applies to many research studies from legitimate health research.

Not enough of the right expertise
There was no input from a nutrition expert that I could find. The author used a physician to do the study and collect the data. Even though the purpose of the study was to prove that eventually something will be statistically significant . . .

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Problems with the Dark-Chocolate Study

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The journalist and his colleagues who perpetrated the dark chocolate and weight loss study I talked about Tuesday were out to prove a point: typical journalists, even the ones who specialize in health, don’t really understand the fundamentals of nutrition, weight loss, and fitness. They especially don’t understand statistics and how they’re misapplied even in legitimate studies. Nothing new there.

What I think they did show was that there are many news and information sources on the web that will publish anything provocative. Dark chocolate helping weight loss certainly fit that profile.

The author explained everything he . . .

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Dark Chocolate and Weight Loss

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Late last week, Paula and a couple of readers sent me links about a journalist who managed to get a study on dark chocolate and weight loss published in a scientific journal in March 2015 (1). It made headlines everywhere. Then in late May, he wrote about how he fooled the journalistic world (2). While a lot has been written about his sting and the reasons he said he did it, there are more issues here than have been written about so far, and that’s what I’ll talk about this week. Let’s begin with the study.

The . . .

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The School Lunch Study

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If you’re going to get children to eat healthier foods, you have to employ the same tactics that food manufacturers, grocery stores, and restaurants use: make it look visually appealing and display it in such a way as to help them make the healthy choice first. Of course, it must taste good but if they never put it on the plate, they’ll never know if they like the taste. With that in mind, researchers selected 14 elementary and middle schools in low-income, inner-city locations with over 2,600 children to participate in a school lunch study . . .

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Better School Lunches

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Just about every day, more school districts are opting out of the U.S. National School Lunch Program—some because they don’t want the government to tell them what to do, most to save money because school districts are allowed to opt out if costs are too high. If you’re not familiar with this issue, read the messages in late December about the Kids Act.

One of the reasons some schools give is that kids won’t eat the required vegetables, fruits, and whole grains, creating more food waste. Judging by the combinations of foods some school cafeteria . . .

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Avocados: Nutrition Powerhouse

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Let’s finish up our look at avocados. I covered most of the micronutrients on Thursday but there’s one more group to go: the phytonutrients.

The avocado contains three classes of phytonutrients. The first ones are called phytosterols, plant-derived compounds similar in structure and function to cholesterol. Research shows that phytosterols may help prevent the absorption of animal cholesterol, and that can benefit our overall heart health.

Avocados are also high in carotenoid antioxidants such as lutein and beta-carotene. We tend to think about carotenoids in bright orange or red vegetables such as carrots or tomatoes. Those . . .

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Nutrients in Avocados

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Now that everyone who watched the Super Bowl has seen the ads for the avocado, let’s take a look at the nutrition profile of avocados without the pit and skin.

The first thing that jumps out is the fat content: 21 grams of fat in the average-size avocado. A close look shows only 3 grams are saturated fat; the bulk of the fat, 13 grams, is monounsaturated fat, the same healthy fat that’s found in olive oil. And even before you ask “Is avocado oil a good fat to use in salads and cooking?” the answer is . . .

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The Bottom Line on School Lunches

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Healthier meals in schools were proposed and opposed—what happened next? True to form, the federal government gave in to the food industry. They didn’t reverse the Kids Act, but they left it to the school districts to decide whether a switch to whole grains caused any hardship. They also suspended the target for lower sodium levels until there’s more research. Pathetic.

Here’s what I think as a health educator: there was no training for staff or students on what constitutes healthy nutrition. In most school districts, food is made in one central kitchen and shipped to . . .

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Feeding Kids to Support Their Immune System

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You can probably guess what kids should eat every day to keep their immune systems healthy: foods high in antioxidants, and that’s mainly fruits and vegetables. The research on the benefits to children’s immune system is beyond contestation (one of my favorite words).

Apples, oranges, strawberries, blueberries, and on and on and on. How you present them is up to you. I would avoid fruits juices even if you juice foods at home; you want every vitamin, mineral, and phytonutrient antioxidant you can give them, and the fiber helps feed the good bacteria that are important to the . . .

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