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Michael Greger, M.D., is a physician, author, and internationally recognized professional speaker on a number of important public health issues.

Blog Entries by Michael Greger MD

How Much Soy Is Too Much?

Michael Greger MD | February 21, 13 at 05:00 AM | Health

If animal proteins promote cancer because they boost our blood levels of the growth hormone IGF-1, what about the few plant proteins that have amino acid ratios similar to animal proteins such soy foods? One of soy's selling points...

Vegan Men: More Testosterone But Less Cancer

Michael Greger MD | February 12, 13 at 08:00 AM | Health

Just a few days of walking and eating healthy plant foods can lower the level of the cancer-promoting growth hormone IGF-1 enough to reverse cancer cell growth in a Petri dish. This is detailed in my last three blog...

How Do Plant-Based Diets Fight Cancer?

Michael Greger MD | February 7, 13 at 05:00 AM | Health

Why do centenarians--those who live to be over a hundred years old--escape cancer? As you can see in my 3-min. video IGF-1 as One-Stop Cancer Shop, as we get older our risk of getting and dying from cancer grows...

Treating an Enlarged Prostate With Diet

Michael Greger MD | February 5, 13 at 05:00 AM | Health

The majority of American men will develop a pathologically enlarged prostate gland (also known as benign prostatic hyperplasia, or BPH). The good news, though, is that like many other epidemics of chronic disease plaguing the Western world, it can...

Vegan Workplace Intervention

Michael Greger MD | January 29, 13 at 05:00 AM | Health

Read More: diet pills, Dr. Barnard, natural food store, PCRM, processed foods, supplements, weight control, weight loss, whole plant foods

A billion people in the world are now overweight. That's great news for the $13 billion weight loss supplement industry, but as I detailed in my 2-min. video Diet Pills Do a Fat Lot of Good, a recent review...

Biblical Daniel Fast Tested

Michael Greger MD | January 24, 13 at 05:00 AM | Health

Read More: antioxidants, Bible, Daniel, diet, disease, EPIC study, inflammation, plant-based diet, poultry, University of Memphis

Researchers recently set out to replicate the "Daniel Fast," the biblical nutrition trial outlined in Daniel 1:8-16. In my last blog post Poultry Paunch, I featured results from the EPIC study, one of the largest studies ever performed. The...

Poultry Paunch: Meat & Weight Gain

Michael Greger MD | January 22, 13 at 05:00 AM | Health

Read More: calories, EPIC study, meat, National Cattlemen's Beef Association, nuts, weight gain

Meat is considered fattening due to its caloric density and fat content. Nuts are also packed with calories and fat though, but as I noted in my blog post Nuts Don't Cause Expected Weight Gain so maybe we shouldn't...

Diet vs. Exercise: What's More Important?

Michael Greger MD | January 17, 13 at 05:00 AM | Health

Read More: BMI, body mass index, exercise, weight loss, WHR

When trying to lose weight, which is most important: diet or exercise? The vast majority of those surveyed believe that both monitoring food and beverage consumption and physical activity are equally important in weight maintenance and weight loss. After...

The Ice Diet

Michael Greger MD | January 15, 13 at 05:00 AM | Health

Read More: colon, fiber, firmicutes, fruits, gut flora, phtyonutrients, vegan, vegetables, vegetarians

Other than fiber, what else do plants make that animals don't that could help account for how dramatically slimmer those who eat plant-based diets tend to be? In my last article Boosting Gut Flora Without Probiotics I covered fiber....

Boosting Gut Flora Without Probiotics

Michael Greger MD | January 10, 13 at 05:00 AM | Health

Read More: anti-inflammatory, bacteria, butyrate, colon cancer, fiber, flora, obesity, probiotics

Obesity is so rare among those eating plant-based diets (see my video Thousands of Vegans Studied), nutrition researchers have been desperate to uncover their secret. Yes, they tend to eat fewer calories, but not that many fewer. In the...

New DVD to Help Resolute Your Resolutions

Michael Greger MD | January 7, 13 at 05:21 AM | Health

The current batch of videos from volume 11 on are set to run out soon here on NutritionFacts.org, so starting mid-month and running through April I'll be rolling out the videos from this new DVD volume 12. The DVDs...

Burning Fat With Flavonoids

Michael Greger MD | January 3, 13 at 05:00 AM | Health

Read More: arginine, flavonoids, grape juice, metabolism, nuts, sugar, walnuts

Nuts appear to boost one's metabolism, such that when we eat nuts we burn more of our own fat to compensate. In my 2-min. video, Testing the Fat Burning Theory, I show that people who don't eat nuts tend...

Top 10 Most Popular Videos of the Year

Michael Greger MD | December 29, 12 at 10:25 AM | Health

2012 was NutritionFacts.org's first full year in existence. This year we added about 10,000 twitter followers, 10,000 facebook fans, and 20,000 new subscribers, whose collective enthusiasm in sharing this body of work resulted in over 6 million views. But...

Nuts Don't Cause Expected Weight Gain

Michael Greger MD | December 27, 12 at 05:00 AM | Health

Nuts are packed with nutrition, but they are also packed with calories. Why, then, don't nuts seem to make people fat? In my video Nuts and Obesity: The Weight of Evidence, I profile a review published back in 2007...

Cholesterol Lowering in a Nut Shell

Michael Greger MD | December 13, 12 at 05:00 AM | Health

Read More: cholesterol, Lipitor, nuts, saturated fat, statins

Though official recommendations are to first treat high cholesterol with dietary change, many physicians jump right to cholesterol-lowering medications such as statins like Lipitor that can have an array of side effects. As described in my 1-min. video Diet...

The True Shelf Life of Cooking Oils

Michael Greger MD | December 6, 12 at 05:00 AM | Health

Cooking oil manufacturer "best-by" dates are put to the test by comparing the development of rancidity between almond oil, avocado oil, hazelnut oil, macadamia oil, grape seed oil, rice bran oil, toasted sesame oil, and walnut oil. Find out...

Drugs & Bugs in Pork: Ractopamine and Yersinia

Michael Greger MD | November 29, 12 at 08:00 PM | Health

Read More: food poisoning, pigs, pork, ractopamine, yersinia

Earlier this year, China rejected 200,000 pounds of pork from the United States after discovering residues in the meat of an adrenaline-like drug called ractopamine, which is fed to U.S. pigs (Paylean™) and turkeys (Topmax™) as a growth promoter...

New Features and Black Friday Sale

Michael Greger MD | November 22, 12 at 05:00 AM | Health

The new and improved NutritionFacts.org has arrived! Thanks to the Jesse & Julie Rasch Foundation and our brilliant web developer Christi Richards, we launched the renovated site this month with a new design and functionality. Here are some of...

Magnesium-Rich Foods to Prevent Sudden Death

Michael Greger MD | November 8, 12 at 06:00 AM | Health

Read More: arrhythmias, cardiac death, heart disease, magnesium, nuts

Most men and women who succumb to heart disease die suddenly without any known history of heart problems. As I note in my 3-min. NutritionFacts.org video How Do Nuts Prevent Sudden Cardiac Death?, up to 55% of men and...

How to Enhance Mineral Absorption

Michael Greger MD | November 1, 12 at 05:00 AM | Health

Iron is a double-edged sword. If we don't absorb enough we risk anemia, but if we absorb too much we may be increasing our risk of colorectal cancer, heart disease, infection, neurodegenerative disorders, and inflammatory conditions. See my 3-min....