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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

Pollutants in Californian Breast Tissue

Michael Greger MD | March 19, 13 at 05:00 AM | Health

Americans are walking chemical cocktails according to the latest report from the Centers for Disease Control and Prevention. Organochlorine pesticides tend to build up in animal fat (see for example, Cannibalistic Feed Biomagnification, Avoiding Other Banned Pesticides, and Industrial Carcinogens in Animal Fat) so we...

How Chemically Contaminated Are We?

Michael Greger MD | March 14, 13 at 05:00 AM | Health

Every few years the U.S. Centers for Disease Control and Prevention measures the levels of chemical pollutants in the bodies of thousands of Americans from across the country. What did the latest report tell us about our toxic burden? Find...

Saffron vs. Prozac for Depression

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

Millions of Americans suffer from depression every year, a disabling disease that can end up fatal (due to suicide).  In my last blog post, Treating PMS with Saffron, I noted remarkable benefits of the spice saffron on the emotional and physical...

What Is the Healthiest Meat?

Michael Greger MD | February 28, 13 at 05:00 AM | Health

Read More: arginine, bugs, grains, insects, maggots, octopus, protein, saturated fat, silkworm caterpillars, snail meat, vegan, vitamin B12, zinc

Thanks to the Chinese space program, scientists in Beijing recently published a formal nutritional analysis of what may be one of the least harmful animals to eat, silkworm caterpillars. As I profile in my 2-min video Good Grub, they appear to...

Lead Poisoning Risk From Venison

Michael Greger MD | February 26, 13 at 05:00 AM | Health

The reason animal products trigger inflammation in the body within hours of consumption is thought to be due to the residual bacterial toxins that survive the cooking process (as l detailed in my blog post How Does Meat Cause Inflammation). The...

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 is...

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 posts Cancer-Proofing...

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 year by...

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 be prevented and...

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 of common...

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 gold standard,...

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 presume. As you...

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 equally important, people go with...

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. In Tipping Firmicutes to...

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 past I’ve made...

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 give folks the...

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 to burn...

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 it's not about the numbers; it's...

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 looking at...

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 Versus Drugs for High...