The Dairy Industry’s Misleading Study Designs
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
9h ago
How do the meat and dairy industries design studies that show their products have neutral or even beneficial effects on cholesterol and inflammation? Observational studies like “Milk and Dairy Consumption and Risk of Cardiovascular Diseases and All-Cause Mortality: Dose-Response Meta-Analysis of Prospective Cohort Studies,” which suggests that dairy might not be so bad, can be confounded by extraneous factors, such as the fact that people who eat more cheese tend to be of “a higher socioeconomic status.” In that case, what about an interventional study? Researchers designed a randomized, cross ..read more
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Cheese and the Comparison Challenge
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
2d ago
Dairy is compared to other foods for cardiovascular (heart attack and stroke) risk. When studies funded by industries suggest their products have neutral health effects or are even beneficial, one question you always have to ask is, “Compared to what?” Is cheese healthy? Compared to what? If you’re sitting down to make a sandwich, cheese is probably healthy—if you compare it to bologna, but what if you compare it to peanut butter? No way. That’s the point made by Walter Willet, former Chair of Nutrition at Harvard, as I discuss in my video Friday Favorites: Is Cheese Harmful or Healthy? Compar ..read more
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Is Cheese Really Good for Our Health?
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
1w ago
What is the real story behind the recent studies that show cheese has neutral or positive health effects? In my series of videos on saturated fat, I talked about a major campaign launched by the global dairy industry to “neutralize the negative image of milk-fat among regulators and health professionals as related to heart disease.” As you can see in my video Is Cheese Really Bad for You?, that campaign to this day with the publication of a meta-analysis demonstrating “neutral [non-harmful] associations between dairy products and cardiovascular and all-cause mortality,” that is, death. How do ..read more
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Take the Daily Dozen Challenge!
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
2w ago
We just re-launched the Daily Dozen Challenge to help more people discover how easy it is to fit some of the healthiest of healthy foods into their meals. Join us on social media and show us how you Do the Dozen.  Plan: Pick a day to eat the Daily Dozen. Download our free Daily Dozen app on iPhone and Android that features the checklist, as well as these valuable tools to help you prepare for a successful challenge: The Evidence-Based Eating Guide, The Daily Dozen Meal Planning Guide, and Daily Dozen Digest, our free 11-week email series. Challenge: Use the Daily Dozen checklist in the a ..read more
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Testing Berries and Nuts, Two of the Best Brain Foods
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
2w ago
Randomized controlled studies put nuts, berries, and grape juice to the test for cognitive function. When you read articles in Alzheimer’s disease journals about eating more berries to reduce cognitive decline in the elderly, the authors are talking about observational studies, like the Harvard Nurses’ Health Study that showed that berry intake appears to delay cognitive aging by up to two and a half years and the intake of nuts appears to delay brain aging by two years. These types of studies are just talking about associations, though, as I discuss in my video Best Brain Foods: Berries and N ..read more
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Can We Detoxify Lead from Our Body in a Sauna?
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
3w ago
How much does sweating from a sauna or exercise get rid of lead and mercury? In my video Is Henna Safe?, I talk about a study that proved lead could be absorbed through the skin and into the body. Researchers applied lead to someone’s left arm and then measured the level of lead in the sweat from their right arm over the next few days. As you can see at 0:16 in my video Flashback Friday: Can Saunas Detoxify Lead from the Body?, there was a big spike, proving that lead can not only go into our body, but also out of it. If we can lose lead through sweat, can we sweat for detoxification?   ..read more
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Benzoyl Peroxide or Tea Tree Oil for Acne?
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
3w ago
What happened when a 5 percent tea tree oil gel was pitted head-to-head against the leading over-the-counter treatment for pimples? “Acne vulgaris remains one of the commonest diseases to afflict humanity.” As I discuss in my video Benzoyl Peroxide vs. Tea Tree Oil for Acne, according to some online surveys, tea tree oil appears to be “the second most commonly used topical treatment” for acne after benzoyl peroxide. “Crowdsourcing” may be “a novel research method for evaluation of acne treatments,” but before getting too enamored with popular wisdom, you should know information on facial appli ..read more
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Top 10 NutritionFacts.org Videos of 2022
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
1M ago
We create more than a hundred new videos every year. They are the culmination of hundreds of hours of researching, writing, animating, editing, and producing. We comb through thousands of scientific papers from the peer-reviewed medical literature so that busy people like you don’t have to.  In 2022, I covered topics from athletics and atrial fibrillation to vitamin supplements and wrinkles. Which videos floated to the top of the charts this year? Check out the top ten.   #10 The Purported Benefits of Vitamin K2: Should You Take Supplements? This video just came out and has already b ..read more
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Is It Safe to Take Acid-Blocking Drugs?
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
1M ago
Do the benefits outweigh the risks of acid-blocker drugs, also known as proton pump inhibitors like Nexium, Prilosec, and Zantac? What about baking soda? Dyspepsia is the medical term for upset stomach. After eating, your stomach may hurt, you may feel bloated, nauseous, or overly full, or you may belch. “Despite the high prevalence of the disorder, there are no approved treatments” for dyspepsia in the Western world. As I discuss in my video Are Acid-Blocking Drugs Safe?, this leads people to seek out alternatives like baking soda, which a manufacturer promotes for use in upset stomach. The p ..read more
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Are Energy Drinks Beneficial?
NutritionFacts.org Blog
by Michael Greger M.D. FACLM
1M ago
What effects do Red Bull and Monster brand energy drinks have on artery function and athletic performance? Given the “global popularity” of the multibillion-dollar energy drink industry, it is critical we determine if the beverages have any “potential adverse effects,” as I discuss in my video Are There Benefits of Energy Drinks?. “There are currently more than 500 energy drink products available on the market” today. “The most popular, and the most studied,” is Red Bull. A single can has been found to bump up blood pressure by 3 or 4 points within 90 minutes of consumption, as you can see in ..read more
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