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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

Ask the Doctor: Q&A with Michael Greger, M.D. (Week 2)

Michael Greger MD | September 18, 11 at 12:00 PM | Health

Read More: chocolate, cocoa, flax, omega 3, omega 3 supplement, omega 6, omega 9, vitamin B12, vitamin D, walnuts

This is just a sampling of the 514 comments and questions I’ve responded to on NutritionFacts.org (so far!). Please feel free to leave any follow-up questions here or on any of the hundreds of videos on the more than a thousand topics covered...

Internships available at NutritionFacts.org

Michael Greger MD | September 16, 11 at 05:00 AM | Health

Reposted from my Latest in Nutrition e-newsletter (sign up for free here): CNN's recent documentary "The Last Heart Attack" featured Drs. Ornish and Esselstyn successfully preventing, stopping, and even reversing our number one killer--heart disease--with a plant-based diet. Though...

Eating chicken may lead to a smaller penis

Michael Greger MD | September 15, 11 at 05:00 AM | Health

Read More: chicken, eggs, genitalia, phthalates, poultry, pregnancy, sexual health

According to the best available science, three quarters of women find both penis length and girth "somewhat important" or "very important." What does this have to do with diet? Phthalates. Phthalates are chemical compounds used in a wide range...

Erectile dysfunction and diet

Michael Greger MD | September 14, 11 at 05:00 AM | Health

Read More: cardiovascular disease, coronary heart disease, erectile dysfunction, meat, plant-based diet, sexual function, stroke

One of my more risqué NutritionFacts.org videos, today's video-of-the-day Rosy Glow, touches on the relationship between erectile dysfunction and cardiovascular disease. Arteries are arteries, whether they're supplying blood to the heart or to other vital organs. And hardened arteries...

Optimum Nutrition Recommendations

Michael Greger MD | September 12, 11 at 05:00 AM | Health

Read More: beans, calcium, carotenoid, fruit, grains, greens, iodine, iron, nuts, omega 3s, phytonutrients, seeds, selenium, vegetables, vitamin B12, vitamin D

In today's NutritionFacts.org video-of-the-day Golden glow, and tomorrow's, Produce, not pills to increase physical attractiveness, I review the new research suggesting the consumption of dark green leafy vegetables improves the healthy appearance of Caucasians due to carotenoid deposition in...

Ask the Doctor: Q&A with Michael Greger, M.D.

Michael Greger MD | September 10, 11 at 11:35 AM | Health

Read More: Ask the Doctor, cholesterol, eggs, lycopene, raw food, supplements, tomatoes, vitamin B12, vitamin D

With hundreds of videos on more than a thousand topics and new content every day it may be hard to keep up with NutritionFacts.org! So I thought every weekend I'd start reposting some of the most popular back-and-forth of...

How much pus is there in milk?

Michael Greger MD | September 8, 11 at 05:00 AM | Health

Read More: dairy, dairy cows, hamburger, iodine, lameness, mastitis, pus

In the new NutritionFacts.org video-of-the-day today, I note that the antiseptics used to disinfect cow teats can provide a source of iodine, but have been found to boost the level of pus in the milk of cows with staph-infected...

Natural Alzheimer's treatment

Michael Greger MD | September 6, 11 at 05:00 AM | Health

Read More: Alzheimer's, cholesterol, dementia, phytonutrients, saffron, World Health Organization

September is Alzheimer's Month, in recognition of the five million Americans stricken with the devastating disease, now the sixth leading cause of death in the United States. We've known for almost 20 years that compared to long-time vegetarians, those...

Contagion: bad timing for CDC report of new swine flu strain

Michael Greger MD | September 4, 11 at 08:20 AM | Health

Read More: CDC, Centers for Disease Control and Prevention, children, Contagion, epidemic, flu, foodborne illness, influenza, pandemic, pigs, pork, swine flu, virus

A week before the premiere of Contagion, a star-studded thriller about (spoiler alert!) a pork-borne pandemic, is unfortunate timing for the Centers for Disease Control and Prevention to announce the identification of a new strain of swine flu in...

Physician-assisted suicide? When doctors give nutrition advice

Michael Greger MD | September 3, 11 at 06:00 AM | Health

Read More: medical education, medical school, nutrition, PCRM, The Last Heart Attack

In our society, we physicians are afforded extraordinary power. "In the case of the United States," noted an article in the Journal of Medicine and Philosophy, "the question of how a profession held in low esteem and mired in...

Bad Egg

Michael Greger MD | August 31, 11 at 11:00 AM | Health

Read More: cholesterol, diabetes, eggs, gestational diabetes, Harvard, heart failure, mortality, Physician's Health Study

In 2008, the Harvard Physician's Health Study, which followed 20,000 physicians for 20 years, found that those eating just a single egg a day or more had significantly higher total mortality risk, meaning eating just one egg a day...

Vitamin B12: how much, how often?

Michael Greger MD | August 30, 11 at 06:36 AM | Health

Read More: Airborne supplements, Alli, Applebee's, Burger King, Centrum, Chick-fil-A, Chili's, Coca-Cola, dairy, Dow Chemical, Dr Greger, Dr Gregor, Eggbeaters, fish oil, Flomax, Häagen-Dazs, Herbalife, Juice Plus+, KFC, Lipitor, McDonald's, Michael Gregor, milk, mucus, Nutrasweet, nutritional yeast, Pop Tarts, Purevia, red yeast rice, spirulina, Splenda, Sugar Twin, supplements, Sweet and Low, Sweet One, TGI Friday's, Truvia, Vaseline, vitamin B12, weight loss

This week NutritionFacts.org celebrates the upload of its 300th video. Though the site is officially only 9 days old, it launched "preloaded" with 288 videos taken from the last four years of my Latest in Clinical Nutrition DVD series....

Soy and breast cancer: an update

Michael Greger MD | August 29, 11 at 03:06 PM | Health

Read More: breast cancer, estrogen, phytoestrogens, puberty, soy, soya milk, soymilk

We've known that regular soy consumption appears to both prevent breast cancer--the number one cancer killer of young women--and prolong survival in women battling the dreaded disease, but we haven't understood why. Soybeans naturally contain weakly estrogenic compounds called...

Making day-to-day grocery store decisions

Michael Greger MD | August 28, 11 at 06:27 AM | Health

Read More: aluminum, blueberries, cholesterol, dairy, dog rose berries, Dr. Jenkins, JAMA, Lipitor, scombroid poisoning, soymilk, tuna

When I treasure hunt through the medical literature every year for NutritionFacts.org, there are three qualities I find myself using most often to sift the year's nutritional nuggets into video form. Is it groundbreaking? Is it interesting? Is it practical?...

Vegan B12 deficiency: putting it into perspective

Michael Greger MD | August 25, 11 at 04:00 AM | Health

Read More: Bill Clinton, diabetes, heart disease, hypertension, obesity, plant-based diet, supplements, vegan, vitamin B12

As excitement builds towards the premiere this Saturday at 8 and 11pm ET of CNN's new documentary The Last Heart Attack--documenting Bill Clinton's attempt to reverse his heart disease through diet--pundits are eager to point out the downsides. Yes,...

How to live longer in four easy steps

Michael Greger MD | August 24, 11 at 04:46 AM | Health

Read More: alcohol, CDC, diet score, exercise, food pyramid, healthy eating index, lifespan, longevity, phytochemicals, phytonutrients, smoking, Standard American Diet, telomeres, vitamin C

The CDC published a paper this week in the American Journal of Public Health suggesting that eating healthy, exercising regularly, and avoiding smoking and excessive alcohol intake can add more than a decade to our lives. And the criteria...

Can antioxidant-rich spices counteract the effects of a high-fat meal?

Michael Greger MD | August 23, 11 at 04:51 AM | Health

Read More: antioxidants, chicken, cinnamon, cloves, Coca Cola, eggs, ginger, greens, lettuce, oregano, Penn State, plant-based diet, spices, triglycerides

In this month's Journal of Nutrition, researchers at Penn State report on their experiment in which overweight men were fed a high-fat (chicken) meal with or without a healthy dose of herbs and spices such as cinnamon, cloves, ginger,...

NutritionFacts.org officially launched!

Michael Greger MD | August 22, 11 at 06:13 AM | Health

Read More: animal products, Caldwell Esselstyn, Dean Ornish, diabetes, heart disease, last heart attack, Michele Simon, Nancy Chute, obesity, plant-based diet, Sanjay Gupta, vegan

Though bumped last night due to developments in Libya, the new CNN documentary The Last Heart Attack features Bill Clinton’s attempts to reverse his heart disease with a plant-based diet. In From omnivore to vegan: The dietary education of...

NutritionFacts.org launches in less than two weeks

Michael Greger MD | August 9, 11 at 05:13 PM | Video

Read More: NutritionFacts.org

Ever watch one of my DVDs and wish you could send some nutritional nugget to someone you know? Now you can! A year in the making, NutritionFacts.org features hundreds of my videos to share, search, rate, and discuss. Everything's...

My new Latest in Nutrition DVD released this week

Michael Greger MD | June 26, 11 at 02:15 PM | Health, Video

Read More: Greger, nutrition, science

I'm so excited to announce that the newest volume of my annual Latest in Nutrition DVD series is now available for pre-order and will ship out July 1.As usual, I scoured the world's scholarly literature on clinical nutrition so you...