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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 to Reduce Exposure to Alkylphenols Through Your Diet

Michael Greger MD | April 28, 15 at 05:00 AM | Health

Read More: alkylphenols, allergies, anchovies, animal fat, asthma, biomagnification, breast cancer, breast disease, breast health, breast milk, breastfeeding, cancer, chicken, cod liver oil, eczema, endocrine disruptors, EPA, estrogen, Europe, fat, fish, fish oil, hormones, industrial toxins, infants, Japan, lard, lung disease, lung health, mackerel, memory, milk, persistent organic pollutants, phytoestrogens, plastic, poultry, pregnancy, salmon, seafood, soy, turkey, xenoestrogens

Alkylphenols are industrial chemicals that are found in hair products, spermicides, cleaning products and detergents. They are considered endocrine disruptors. For more information on alkylphenols, check out my video Alkylphenol Endocrine Disruptors and Allergies. Concern about alkylphenols first surfaced...

Slowing Cognitive Decline with Berries

Michael Greger MD | April 21, 15 at 05:00 AM | Health

Read More: aging, anthocyanins, antioxidants, berries, blueberries, brain disease, brain health, chronic diseases, cognition, Concord grapes, dementia, evolution, fruit, fruit juice, grape juice, grapes, Harvard Nurses' Health Study, inflammation, memory, oxidative stress, phytonutrients, placebo effect, plant-based diets, polyphenols, strawberries, supplements, vegetables, vitamin C, wrinkles

A plant-based diet is thought to have played a significant role in human evolution and the consumption of whole plant foods and even just extracts have repeatedly been associated with a decreased risk of aging related diseases. And by...

What is 'Meat Glue'?

Michael Greger MD | April 16, 15 at 05:00 AM | Health

Read More: American Meat Institute, animal products, animal protein, animal studies, autoimmune diseases, celiac disease, chicken, cost savings, E. coli, E. coli o157:H7, fecal bacteria, fecal contamination, fish, food poisoning, foodborne illness, gluten, meat, meat glue, poultry, processed meat, salmon, steak, transglutaminase, turkey

The so-called "meat glue enzyme" transglutaminase is used by the meat industry to add value to meat by gluing together smaller scraps into a larger chunk. And it's not just used to make fake steak--the American Meat Institute estimates...

Is Liquid Smoke Safe?

Michael Greger MD | April 14, 15 at 05:00 AM | Health

Read More: animal products, artificial flavors, black tea, body fat, broccoli, cancer, carcinogens, chemotherapy, chicken, coffee, cooking methods, cooking temperature, cruciferous vegetables, DNA damage, exercise, fat, fish, fish sauce, green tea, ham, herbal tea, herring, hormesis, liquid smoke, liver disease, liver health, lox, mesquite, mutation, oxidative stress, polycyclic aromatic hydrocarbons, poultry, safety limits, salmon, smoked foods, smoking, stress, tobacco, tumor suppressor genes, turkey, vegetables

We know smoke inhalation isn't good for us, but what about smoke ingestion? Decades ago, smoke flavorings were tested to see if they caused DNA mutations in bacteria--the tests came up negative. Even as more and more smoke flavoring...

Does Antioxidant Intake Matter for Stroke and Heart Disease?

Michael Greger MD | April 9, 15 at 05:00 AM | Health

Read More: aging, animal fat, animal products, antioxidants, cardiovascular disease, cardiovascular health, chicken, cholesterol, factory farming practices, farm animals, fat, heart disease, heart health, LDL cholesterol, mortality, multivitamins, nutrient synergy, oxidative stress, plant-based diets, poultry, stomach health, stroke, supplements, turkey

In my video Food Antioxidants and Cancer, I talked about how antioxidants from whole plants are associated with lower cancer risk. It turns out that total antioxidant capacity of diet may also be protective against stroke, the world's leading...

Does Antioxidant Intake Matter for Cancer?

Michael Greger MD | April 7, 15 at 05:00 AM | Health

Read More: antioxidants, berries, blueberries, cancer, cancer survival, chemotherapy, chronic diseases, DNA damage, fruit, greens, industry influence, lifespan, lymphoma, mortality, multivitamins, non-Hodgkin lymphoma, nutrient synergy, oxidative stress, ranking foods, stomach cancer, stomach health, supplements, USDA, vegetables

The USDA removed their online antioxidant database of foods, "concerned that ORAC values were routinely misused by food and dietary supplement manufacturing companies to promote their products." Indeed, supplement manufacturers got into my-ORAC-is-bigger-than-your-ORAC contests, comparing their pills to the...

Is buying organic worth it? A review of the science in new DVD

Michael Greger MD | April 2, 15 at 05:00 AM | Health

Read More: DVD

One of the most common questions I get when I speak is "What do you think about buying organic?" As with any question like this, I first try to gently explain that what I or anyone else thinks doesn't...

Orange Aromatherapy for Anxiety

Michael Greger MD | March 31, 15 at 05:00 AM | Health

Read More: alternative medicine, anxiety, aromatherapy, benzodiazepines, cancer, chemotherapy, citrus, complementary medicine, fragrance, France, fruit, massage, medications, mental health, oranges, plant-based diets, radiation, side effects, skin health, sunlight, Valium

Aromatherapy -- the use of concentrated essential oils extracted from plants to treat disease -- is commonly used to treat anxiety symptoms. Anxiety disorders are the most prevalent class of psychiatric disorders in the general population. However, their treatment...

What's Driving America's Obesity Problem?

Michael Greger MD | March 24, 15 at 05:00 AM | Health

Read More: Big Mac, body fat, calories, cancer, cardiovascular disease, cardiovascular health, children, diabetes, Europe, exercise, fast food, fat, french fries, heart disease, heart health, lifespan, low-fat diets, metabolism, nutrition myths, obesity, prediabetes, sexual health, soda, weight loss

Currently, nearly two-thirds of Americans are overweight. By 2030 it is estimated more than half our population may be clinically obese. Childhood obesity has tripled, and most children will grow up to be overweight as well. The United States...

Food Manufacturers Get to Decide if Their Own Additives Are Safe

Michael Greger MD | March 19, 15 at 05:00 AM | Health

Read More: cardiovascular disease, cardiovascular health, FDA, heart disease, heart health, industry influence, Marion Nestle, mortality, Pepsi, processed foods, safety limits, trans fats, USDA

In 2013, the U.S. Food and Drug Administration announced their plans to all but eliminate trans fats from processed foods, citing a CDC statistic that the elimination of partially hydrogenated oils from the food supply could prevent more than...

Introducing Joseph Gonzales, R.D.

Michael Greger MD | March 17, 15 at 05:00 AM | Health

Currently, nearly two-thirds of Americans are overweight. By 2030 it is estimated more than half our population may be clinically obese. Childhood obesity has tripled, and most children will grow up to be overweight as well. The United States may...

Meat Industry Wins Right to Sell Tainted Meat

Michael Greger MD | March 12, 15 at 05:00 AM | Health

Read More: Campylobacter, chicken, cooking methods, cooking temperature, farm animals, fecal bacteria, fecal contamination, food poisoning, food recalls, foodborne illness, industry influence, Mexico, poultry, safety limits, Sweden, turkey, USDA

In my last post, I talked about a particularly virulent strand of Salmonella traced to Foster Farms. But while even Mexico banned the importation of Foster Farms' chicken on public health grounds, it was still sold in the United...

Chicken Salmonella Outbreaks Show Food Safety Systems Failure

Michael Greger MD | March 10, 15 at 05:00 AM | Health

Read More: antibiotics, CDC, Center for Science in the Public Interest, chicken, children, Consumers Union, elderly, factory farming practices, fecal bacteria, fecal contamination, food poisoning, foodborne illness, industry influence, meat, mortality, Pew Commission, poultry, Salmonella, turkey, USDA

Salmonella causes more hospitalizations and more deaths than any other foodborne illness, and it's been on the rise. Salmonella causes a million cases of food poisoning every year in the U.S., and over the last decade or so the...

Viral Food Poisoning from Pesticides?

Michael Greger MD | March 5, 15 at 05:00 AM | Health

Read More: animal products, chicken, fecal bacteria, fecal contamination, food poisoning, foodborne illness, fruit, mortality, norovirus, organic foods, pesticides, poultry, Salmonella, turkey, vegetables, viral infections

Although the most serious causes of food poisoning like Salmonella come largely from animal products (for example, most foodborne-related deaths have been attributed to poultry), millions of Americans are sickened by produce every year, thanks to noroviruses. Noroviruses can...

The Reversal on Fish Oil

Michael Greger MD | March 3, 15 at 05:00 AM | Health

Read More: American Heart Association, cardiovascular disease, cardiovascular health, DHA, fat, fish, fish oil, heart disease, heart health, industry influence, lifespan, medical profession, men's health, mortality, nutrition myths, oils, omega-3 fatty acids, seafood, stroke, supplements

Are the purported benefits of fish oil supplementation for the prevention and treatment of heart disease just a "fish tale"? Thanks to recommendations from organizations such as the American Heart Association that individuals at high risk for heart disease...

Are Multivitamins Just a Waste of Money?

Michael Greger MD | February 26, 15 at 05:00 AM | Health

Read More: cancer, cancer survival, cardiovascular disease, cardiovascular health, cost savings, fruit, Harvard Physicians' Study II, heart disease, heart health, Iowa Women's Health Study, lifespan, longevity, mortality, multivitamins, stroke, supplements, vegetables, women's health

About one in three Americans take a multivitamin. Is that helpful, harmful, or just a harmless waste of money? In 2011, the Iowa Women's Health Study reported that multivitamin use was associated with a higher risk of total mortality,...

Understanding Lifestyle Medicine From the Heart

Michael Greger MD | February 24, 15 at 05:00 AM | Health

Read More: amputations, blindness, cancer, cardiovascular disease, cardiovascular health, chronic diseases, diabetes, Dr. Dean Ornish, exercise, eye disease, eye health, heart disease, heart health, kidney disease, kidney failure, kidney function, kidney health, Lifestyle medicine, medical education, medical profession, mortality, smoking, stroke, tobacco, Yale

I talk a lot about numbers and statistics, but as the Director of Yale's Prevention Research Center Dr. David Katz put it in an editorial in the American Journal of Health Promotion, to reach doctors, our fellow colleagues, maybe...

Don't Forget Fiber

Michael Greger MD | February 19, 15 at 05:00 AM | Health

Read More: Africa, animal fat, animal products, beans, cancer, cardiovascular disease, cardiovascular health, corn, dietary guidelines, Dr. Denis Burkitt, fiber, heart disease, heart health, Japan, Lifestyle medicine, medical education, medical profession, mortality, Native Americans, plant-based diets, processed foods, salt, squash, standard American diet, stool size, sugar, vegans, vegetarians

The famous surgeon Denis Burkitt is better known for his discovery of a childhood cancer now known as Burkitt's lymphoma than for his 1979 international bestseller, Don't Forget the Fibre in Your Diet. Anyone asked to list the twenty...