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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

Preventing and Treating Kidney Failure With Diet

Michael Greger MD | October 4, 12 at 12:05 AM | Health

Read More: animal fat, animal protein, cholesterol, Harvard study, heart attacks, kidney, meat, plant fat, plant protein, standard american diet

Our kidneys are highly vascular organs. That’s why when you see kidneys in the meat case they look so red. After all, our two little kidneys have to filter through our entire blood supply and as such receive about 20%...

Is Caffeinated Tea Really Dehydrating?

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

Read More: amla, antioxidants, bacon, broccoli, cancer, cinnamon, flaxseeds, genital warts, gorlin syndrome, green tea, phytonutrients, saffron, skin cancer, stevia, tea, watermelon

Phytonutrients exclusive to the tea plant appear so powerful that they can reverse disease even when just applied to the skin. Now officially incorporated into the Centers for Disease Control STD Treatment Guidelines, the topical application of green tea extracts on external...

Why Meat Causes Inflammation

Michael Greger MD | September 20, 12 at 05:00 AM | Health

Read More: animal fat, animal protein, anti-inflammatory, arteries, bacteria, breast cancer, Crohn's Disease, dairy, diabetes, eggs, endotoxin, gut, heart disease, inflammation, meat, pork

The anti-inflammatory effect of plant-based diets is about more than just the power of plants. It’s also the avoidance of animal foods. In my Care2 column last week, Dietary Treatment for Crohn’s Disease, I profiled the extraordinary power of even a...

Treating Crohn's Disease With Diet

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

Read More: alzheimer's disease, anti-inflammatory, cancer, crohn's disease, diabetes, garlic, heart disease, inflammation, tomato juice, walnuts

Inflammation has recently emerged as an important player in the development of age-related disability and many of our major chronic diseases including heart disease, cancer, diabetes, and Alzheimer’s disease. Now that laboratory tests such as C-reactive protein have been developed,...

Antioxidants in a Pinch: Dried Herbs and Spices

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

Read More: antioxidant, basil, Care2, dried herbs, hydroponic basil, hydroponic greenhouse, minerals, nuts, organic, organic greens, organic plants, seeds, spices, vitamins

In the Washington, DC area we are blessed with more than a dozen farmers’ markets. One local farm I frequent has a hydroponic greenhouse, so I can get fresh basil all year long. I’ve always been curious, though, how hydroponic...

The Most Anti-Inflammatory Mushroom

Michael Greger MD | August 30, 12 at 05:00 AM | Health

Atherosclerotic plaques may be more aptly described as pimples. These inflamed pockets of pus building up in the lining of our arteries can rupture, cut off our hearts’ blood supply, and kill us. In my 2-min. video Arterial Acne, I profile...

Why is it Legal to Sell Unsafe Meat?

Michael Greger MD | August 23, 12 at 01:30 PM | Health

Read More: CDC, chicken, fecal bacteria, fecal contamination, foodborne illness, hamburger, industry influence, meat, poultry, salmonella

Most of the U.S. population suffers an acute diarrheal illness every year. According to a recent survey, most people correctly identified food as the most common source of infection, but fewer than half (45%) believed it legal for grocery...

Health Food Store Advice: Often Worthless or Worst

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

Read More: black cohosh, breast cancer, disease, dizziness, doctors, fever, feverfew, health food store, HIV medications, kava kava, liver toxicity, natural food store, nausea, pharmacists, shark cartilage, snake oil, supplement, supports immunity

How many times has this happened to you? You're in a natural food store walking near the supplement section and an employee graciously asks if you need any help, and proceeds to offer advice on healing what ails you....

Adding FDA-Approved Viruses to Meat

Michael Greger MD | August 2, 12 at 05:00 AM | Health

Read More: arsenic, bacteria, bacteria-eating virus, bacteriophage, bird flu, brain parasites, campylobacter, chickens, food industry, listeria, maggots, meat, meat industry, poultry, processed meat, toxin genes, viruses

Bacteria-eating viruses (bacteriophages) have been approved as meat additives to reduce the food safety risks associated with processed meat and poultry products. There is a concern, however, that viruses fed to chickens could spread toxin genes between bacteria, the...

Vol. 10 Latest Nutrition DVD now available (all proceeds to charity)

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

The current batch of videos from volume 9 are about to run out, so starting this week and running through October I'll be rolling out the videos off my new Latest in Clinical Nutrition DVD, volume 10. The DVDs...

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,...