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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

Mercury Testing Recommended Before Pregnancy

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

Read More: amnesia, atrial fibrillation, bluefish, brain damage, children, dementia, EPA, fish, hair testing, Harvard, heart failure, high fructose corn syrup, infants, mackerel, mercury, pregant women, prozac, salmon, sardines, stroke, swordfish, tuna, xenoestrogens

Recent testing of mercury concentrations in three national brands of canned tuna found that "55% of all tuna examined was above the U.S. Environmental Protection Agency's safety level for human consumption." And the problem appears to be getting worse....

Preserving Vision Through Diet

Michael Greger MD | July 19, 12 at 05:00 AM | Health

Read More: beta carotene, blindness, carrot, cataracts, collard greens, diabetes, eggs, eye, glaucoma, Harvard's Alternative Healthy Eating Index, kale, kidney, lutein, macular degeneration, peach, phytonutrients, plant-based diet, prostate, prostate cancer, tomato, vision, zeaxanthin

More than a million Americans are blind. The good news is that all four of the most common causes of vision loss may be prevented with a healthy plant-based diet--age-related macular degeneration, diabetes, glaucoma, and cataracts. See my 2-min....

Skim Milk and Acne

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

Read More: acne, bioactive molecules, cancer, dairy, dairy cows, diabetes, diseases, estrogen, hormones, milk, National Dairy Council, obesity, sex hormones, skim milk, teenagers, whole milk

The National Dairy Council denies that milk intake causes acne, but a study they supported--the Harvard Nurse's Health Study--found otherwise, as I show in my 3-min. video National Dairy Council on Acne and Milk. The conclusion reads: "We found...

"Uprooting" DVD Now Available (proceeds to charity)

Michael Greger MD | July 9, 12 at 05:00 AM | Health

Every year I scour the world's scholarly literature on clinical nutrition pulling together what I find to be the most interesting, practical, and groundbreaking science on how best to feed ourselves and our families. I start with the 12,000...

Do Eden Beans Have Too Much Iodine?

Michael Greger MD | July 5, 12 at 05:00 AM | Health

Read More: beans, canned beans, Eden Foods, folate, iodine, kombu, lentils, peas, potassium, sea vegetables, table salt

I love canned beans. Legumes in general--beans, peas, and lentils--are among the healthiest foods on the planet, and canned beans make it easy to boost the nutrition of nearly any dish. They are packed with potassium, fiber, and folate,...

Fighting Inflammation With Food Synergy

Michael Greger MD | June 28, 12 at 05:00 AM | Health

Read More: American Heart Association, apple, beta carotene, black pepper, blueberries, broccoli, cabbage, carrots, disease, fruits, glucosinolates, lemonin, lemonoids, limonol, mesclun, orange, phytonutrient, roots, spinach, tangeretin, turmeric, variety, vegetables, vitamin c, vkale

One of the reasons some studies haven't shown more impressive results tying disease reduction to the quantity of fruit and vegetable consumption (see EPIC Study) may be because of quality of fruit and vegetable consumption. People are more likely...

Cow's Milk Casomorphin, Crib Death, and Autism

Michael Greger MD | June 21, 12 at 05:00 AM | Health

Read More: apnea, baby, breastfeeding, casomorphin, cow's milk, crib death, death, enzyme, evolution, hypercapnia, hypoxia, infant, milk, mothers, opiate, peptides, protein, SIDS, stomach

Evolution devised an ingenious way to bond infant to mother: proteins in milk that break down into peptides that have opiate-like drug effects. But what if a breastfeeding mother is herself effectively suckling by still drinking milk into adulthood?...

E. coli O145 Ban Opposed by Meat Industry

Michael Greger MD | June 9, 12 at 02:08 PM | Health

Read More: American Meat Institue, e. coli, foodborne illness

One child is dead and 13 others sickened across six states in an ongoing outbreak of E. coli O145. Another child--a first-grader in Massachusetts--also recently died, but that was from a different strain, E. coli O157. After the Jack-in-the-Box...

Treating COPD With Diet

Michael Greger MD | June 7, 12 at 05:00 AM | Health

Read More: acai berries, antioxidants, cancer, chronic obstructive pulmonary disease, COPD, cured meats, diet, emphysema, fiber, fruits, heart disease, nitrites, soy, stroke, tea, tobacco, tofu, vegetables

The three top killers in the United States are no longer heart disease, cancer, and stroke. Stroke just moved down to number four. Number three is now COPD, chronic obstructive pulmonary disease, meaning respiratory disorders such as emphysema. We...

Watermelon For Erectile Dysfunction

Michael Greger MD | May 31, 12 at 05:00 AM | Health

Read More: aneurism, arthritis, cancer, cGMP, cholesterol, citrulline, diabetes, heart disease, lower back pain, mortality, sexual dysfunction, stroke, viagra

A disturbing analysis of mortality and morbidity was recently published in the Journal of Gerontology. Americans are living longer but sicker lives. We're now living fewer healthy years. Compared to a decade ago, we live about a year longer,...

Latest in Nutrition vol. 9 DVD now available (proceeds to charity)

Michael Greger MD | May 21, 12 at 05:00 AM | Health

Read More: Dr. Michael Greger, DVD, Latest in Clinical Nutrition, NutritionFacts.org, The Humane Society of the United States, volume 9, watermelon

The current batch of videos from volume 8 are set to run out soon, and so starting this week, and running up until August here on NutritionFacts.org, I'll be rolling out the videos off my new Latest in Clinical...

Poultry and Penis Cancer

Michael Greger MD | May 17, 12 at 05:00 AM | Health

Read More: antibiotics, cancer, chicken, cigarette, coffee, eggs, exercise, food safety, fruits, leukemia, lymphoma, myeloma, obesity, penis cancer, plants, poultry, raw poultry, vegetarian, viruses

One of the reasons it's so difficult to study the relationship between diet and cancer is because many dietary behaviors are associated with non-dietary behaviors. For example, one of the reasons we used to think coffee-drinking caused cancer was...

Coffee Caveats

Michael Greger MD | May 10, 12 at 05:00 AM | Health

Read More: apples, bananas, berries, bladder, breast cancer, caffeine, cancer, cholesterol, chronic disease, coffee, colorectal cancer, green tea, heartburn, high blood pressure, insomnia, liver cancer, prostate cancer

Last month in the American Journal of Clinical Nutrition, an editorial entitled "Coffee consumption and risk of chronic diseases: changing our views" reviewed the growing evidence that for most people, the benefits of drinking coffee likely outweigh the risks....

Stool Size and Breast Cancer Risk

Michael Greger MD | May 3, 12 at 05:00 AM | Health

Read More: beets, bowel movements, breast cancer, cholesterol, colon health, constipation, estrogen, fiber, stool size, transit time, women's health

Women eating plant-based diets may have lower breast cancer rates because they have larger bowel movements. In The Best Detox, I described the role of the liver in removing toxins from the blood stream, which can then be jettisoned...

Breast Cancer Survival and Soy

Michael Greger MD | April 26, 12 at 05:00 AM | Health

Read More: alcohol, animal products, breast cancer, cancer, cheese, chicken, DNA, flax seeds, junk food, lignans, liver, phytonutrients, saturated fat, soy, trans fat

In my last two posts, The Best Detox and Breast Cancer Stem Cells vs. Broccoli, I documented ways to 1) boost our liver's ability to clear carcinogens, 2) make our DNA more resistant to toxins that make it past...

Mad Cow California: Is the Milk Supply Safe?

Michael Greger MD | April 25, 12 at 09:00 AM | Health

Read More: bovine spongiform encephalopathy, bse, mad cow disease, milk, pus

In announcing the detection of a new case of mad cow disease in California, the USDA emphasized that her carcass never made it into the food supply. The fact that the infected animal was a dairy cow, though, raises...

Breast Cancer Stem Cells vs. Broccoli

Michael Greger MD | April 19, 12 at 05:00 AM | Health

Read More: alfalfa, amla, bladder cancer, breast cancer, broccoli, cancer, carcinogen, cholesterol, cocoa, DNA, enzymes, EPIC, greens, kale, liver, lung cancer, phytonutrient, raw, sprouts

In my post The Best Detox last week, I detailed how a phytonutrient in broccoli boosts the detoxifying enzymes in the liver, but helping to clear carcinogens isn't the only way greens protect our DNA. A study of the...

The Best Detox

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

Read More: broccoli, broccoli sprouts, cauliflower, coffee, cooking, detox, enzyme, garlic, glow stick, glucoraphanin, goji berries, herbivore, kelp, liver, plant, sulforaphane, tea, turmeric

As detailed in my 3-minute video The Best Detox, there's lots of talk these days about detoxing, but talk is cheap--our liver is actually doing it, all day, every day. If we want to detoxify our bodies, the best...

Ask the Doctor: Q&A with Michael Greger, M.D. (#21)

Michael Greger MD | April 5, 12 at 05:00 AM | Health

Read More: amalgam, beta-carotene, bitter melon, blood sugar, cancer, carcinogen, carotenoids, cholesterol, coconut water, diabetics, electrolyte, fenugreek, flax, hijiki, kelp, mercury, miso, omega-3, plant-based diet, sea vegetable, seaweed, sugar, tuna, vegan, yerba mate

This is another sampling of the nearly 1,000 comments and questions I’ve responded to on the site 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 on NutritionFacts.org....

Using Greens to Improve Athletic Performance

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

Earlier this month on NutritionFacts.org I completed a 17-part video series on the performance-enhancing effects of certain vegetables. It started with Doping with Beet Juice, which described how beets were the first to be found to significantly improve athletic...