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Michael Greger MD

Is Insecticidal GMO Corn Safe?

Michael Greger MD | June 28, 2016 | Health

Read More: animal studies, BT corn, corn, farm animals, fruit, GMO, industrial toxins, industry influence, meat, organic, pesticides, pregnancy, reproductive health, salmon, vegetables, women's health

Recently the prominent science journal Nature editorialized that we are now swimming in information about genetically modified crops, but that much of the information is wrong--on both sides of the debate. "But a lot of this incorrect information is...

Michael Greger MD

Why Does the Meat Industry Routinely Feed Animals Antibiotics?

Michael Greger MD | June 23, 2016 | Health

Read More: antibiotics, chicken, cost savings, Europe, factory farming practices, farm animals, FDA, fecal contamination, feed additives, industry influence, meat, MRSA, penicillin, Pew Commission, poultry, staph infection, turkey, USDA, vegans, vegetarians

When farm animals are fed antibiotics, they can develop antibiotic-resistant bacteria in their guts. Manure contamination of meat can then transfer these gut bacteria to humans. These bacteria can even spread to vegetarians, since drug-resistant bacteria in the animal...

Michael Greger MD

Fast Food Restaurants in Children's Hospitals

Michael Greger MD | June 21, 2016 | Health

Read More: calories, candy, carrots, cholesterol, fast food, fruit, industry influence, junk food, McDonald's, National Cancer Institute, smoking, tobacco, vegetables

The food industry spends billions on advertising. Promotion costs for individual candy bars can run in the tens of millions. McDonald's alone spends a billion dollars on advertising every year. Such figures dwarf the National Cancer Institute's million dollar...

Michael Greger MD

Dietary Estrogens and Male Fertility

Michael Greger MD | June 16, 2016 | Health

Read More: animal fat, animal products, cheese, cholesterol, dairy, dioxin, eggs, estrogen, Europe, fish, hormones, industrial toxins, infertility, meat, men's health, milk, obesity, PCBs, persistent organic pollutants, reproductive health, saturated fat, semen, sexual health, sperm counts, statins, xenoestrogens

In my video, The Role of Diet in Declining Sperm Counts, I discussed the association between high saturated fat intake and reduced semen quality. But what's the connection? One of the most recent papers on the topic found that...

Michael Greger MD

Preserving Male Reproductive Health With Diet

Michael Greger MD | June 14, 2016 | Health

Read More: antioxidants, fruit, infertility, longevity, men's health, mortality, nuts, omega-3 fatty acids, oxidative stress, reproductive health, saturated fat, semen, sperm counts, supplements, vegetables, vitamin C, walnuts

In 1992 a controversial paper was published suggesting sperm counts have been dropping around the world over the last 50 years. However, this remains a matter of debate. It's notoriously difficult to determine sperm counts in the general population...

Michael Greger MD

Why Smoothies are Better Than Juicing

Michael Greger MD | June 9, 2016 | Health

Read More: apple juice, apples, asparagus, bananas, blueberries, bone health, bone mineral density, bowel movements, butyrate, calcium, carob, cholesterol, colon health, diabetes, diarrhea, fiber, fruit, fruit juice, grapes, gut flora, juice, laxatives, Metamucil, onions, phytonutrients, polyphenols, smoothies, stool size, vegetables

Studies such as a recent Harvard School of Public Health investigation found that the consumption of whole fruits is associated with a significantly lower risk of type 2 diabetes, whereas fruit juice consumption is associated with a higher risk,...

Michael Greger MD

Virus in Chicken Could Be Linked to Obesity

Michael Greger MD | June 7, 2016 | Health

Read More: adenovirus 36, animal fat, animal protein, animal studies, body fat, calories, cancer, chicken, chicken embryo lethal orphan virus, children, fat, fecal contamination, liposuction, lung cancer, obesity, poultry, poultry viruses, processed meat, red meat, smoking, tobacco, turkey, viral infections, weight loss

Recently, there has been research examining the connection between poultry consumption and weight gain. One study out of the Netherlands examining about 4,000 people, correlated chicken consumption with weight gain. Another study followed 89,000 people in four other countries...

Michael Greger MD

New DVD, New Staff, New Search Function, New Live Presentation, and Updated App

Michael Greger MD | June 2, 2016 | Health

Read More: DVD

The new batch of upcoming videos is done and it includes a new 6-part video series on vitamin D. The last time I covered this controversial topic was 4 years ago, during which time 15,950 scientific papers on the topic...

Michael Greger MD

Treating Pancreatic Cancer with Turmeric Curcumin

Michael Greger MD | May 31, 2016 | Health

Read More: animal fat, cancer, carcinogens, chemotherapy, chicken, curcumin, dried fruit, fake meat, fat, FDA, fruit, heterocyclic amines, legumes, meat, mortality, pancreatic cancer, poultry, red meat, side effects, spices, standard American diet, turkey, turmeric, vegetables, veggie burgers, veggie dogs, white meat

Pancreatic cancer is among the most aggressive forms of human cancer, characterized by a very high mortality rate. It represents the fourth leading cause of cancer death in United States, killing 32,000 people annually. With a five-year survival rate...

Michael Greger MD

Preventing Breast Cancer with Flax Seeds

Michael Greger MD | May 26, 2016 | Health

Read More: aging, blood clots, brain health, breast cancer, breast cancer survival, breast health, cancer, cognition, flax seeds, fruit, grains, interleukin-1, lignans, longevity, mental health, mortality, ovary health, phytoestrogens, plant-based diets, seeds, side effects, tamoxifen, uterine cancer, vegans, vegetables, vegetarians, women's health

I've previously discussed the role of dietary lignans in the reduction of breast cancer risk and improvement in breast cancer survival, based on studies that showed that women with breast cancer who ate the most lignans appeared to live...

Michael Greger MD

Children's Supplements Found Contaminated With Pollutants

Michael Greger MD | May 24, 2016 | Health

Read More: algae, anchovies, asthma, breast milk, children, cod liver oil, DHA, fish, fish oil, industrial toxins, lung disease, lung health, omega-3 fatty acids, PCBs, persistent organic pollutants, supplements, tuna, vitamin A

A number of case-control studies have found that giving kids cod liver oil supplements may increase their risk of asthma later in life. Case-control studies are done by asking about past behavior in cases (those with asthma) versus controls...

Michael Greger MD

No More Than a Quart a Day of Hibiscus Tea

Michael Greger MD | May 19, 2016 | Health

Read More: aluminum, antacids, black tea, breast milk, children, citric acid, citrus, fruit juice, green tea, heavy metals, herbal tea, hibiscus tea, iron, kidney failure, lemons, limes, manganese, oolong tea, orange juice, pregnancy, safety limits, tea, white tea, World Health Organization

Over the counter antacids are probably the most important source for human aluminum exposure in terms of dose. For example, Maalox, taken as directed, can exceed the daily safety limit more than 100-fold, and nowhere on the label does...

Michael Greger MD

Aluminum Levels in Tea

Michael Greger MD | May 17, 2016 | Health

Read More: aluminum, Alzheimer's disease, antacids, bioavailability, black tea, brain disease, brain health, candy, cans, cheese, dementia, gravy, green tea, heavy metals, herbal tea, hibiscus tea, junk food, kidney failure, oolong tea, phytonutrients, processed foods, safety limits, tea, water, World Health Organization

While aluminum is the third most abundant element on Earth, it may not be good for our brain, something we learned studying foundry workers exposed to particularly high levels. Although the role of aluminum in the development of brain...

Michael Greger MD

Rinse Your Mouth After Sour Foods and Drinks

Michael Greger MD | May 12, 2016 | Health

Read More: blackberries, blood pressure, burgers, citrus, Coca-Cola, dental health, erectile dysfunction, food additives, fruit, hamburgers, herbal tea, hibiscus tea, hypertension, impotence, liver disease, liver failure, meat, mortality, oral health, orange juice, periodontal disease, plant-based diets, side effects, tea, vegans, vegetables, water

Hibiscus tea has been found to be as effective at lowering blood pressure as a leading hypertension drug without the potential side-effects (which include everything from lack of strength to impotence, including rare cases of potentially fatal liver damage)....

Michael Greger MD

Plant-Based Diets for Hypertension

Michael Greger MD | May 10, 2016 | Health

Read More: animal fat, animal protein, athletes, blood pressure, calories, cholesterol, dairy, DASH diet, diabetes, eggs, exercise, fish, fruit, heart disease, heart health, herbal tea, hibiscus tea, hypertension, junk food, Lifestyle medicine, meat, mortality, nitric oxide, obesity, plant protein, plant-based diets, processed foods, salt, side effects, standard American diet, stroke, tea, vegans, vegetables, vegetarians, weight loss, World Health Organization

Recently, researchers from Taiwan pitted the herbal tea hibiscus against obesity. They gave hibiscus to overweight individuals and reported that subjects showing reduced body weight. However, after 12 weeks on hibiscus subjects only lost about three pounds, only one...

Michael Greger MD

How to Treat Prediabetes with Diet

Michael Greger MD | May 5, 2016 | Health

Read More: American Diabetes Association, calories, cholesterol, chronic diseases, dairy, diabetes, eggs, exercise, fat, fiber, flax seeds, grains, Institute of Medicine, insulin, junk food, Lifestyle medicine, meat, medical education, mortality, omega-3 fatty acids, phytosterols, plant-based diets, prediabetes, processed foods, saturated fat, sugar, trans fats

For people with prediabetes, lifestyle modification is considered "the cornerstone of diabetes prevention." Diet-wise, this means individuals with prediabetes or diabetes should aim to reduce their intake of excess calories, saturated fat, and trans fat. Too many of us...

Michael Greger MD

Are Sprouted Lentils Healthier Than Canned Lentils?

Michael Greger MD | May 3, 2016 | Health

Read More: aging, Alzheimer's disease, anthocyanins, antioxidants, astrocytes, beans, boiling, brain disease, brain health, breast cancer, cancer, cans, chickpeas, chronic diseases, cognition, cooking methods, dementia, elderly, kale, kidney cancer, legumes, lentils, Lou Gehrig's disease, Parkinson's disease, phenolics, phytonutrients, polyphenols, raw food, split peas, sprouting

Beans, chickpeas, split peas and lentils are packed with nutrients and play a role in the prevention of chronic disease, but most can't be eaten raw. Some can be sprouted, though. Boiling is the most common cooking method, which...

Michael Greger MD

Egg Consumption and LDL Cholesterol Size

Michael Greger MD | April 28, 2016 | Health

Read More: American Egg Board, cholesterol, choline, corn, eggs, HDL cholesterol, heart disease, heart health, industry influence, LDL cholesterol, lutein, mortality, phytonutrients, spinach, stroke, zeaxanthin

Maria Fernandez has received nearly a half million dollars from the egg industry and writes papers like "Rethinking dietary cholesterol." She admits that eggs can raise LDL cholesterol, bad cholesterol, but argues that HDL, so-called "good cholesterol," also rises,...

Michael Greger MD

How to Protect Our Telomeres with Diet

Michael Greger MD | April 26, 2016 | Health

Read More: aging, animal fats, animal products, antioxidants, athletes, birth defects, bologna, butter, calories, cancer, cardiovascular disease, cardiovascular health, cholesterol, dairy, DNA damage, Dr. Dean Ornish, eggs, exercise, fiber, fish, fruit, ham, heart disease, heart health, hot dogs, inflammation, LDL cholesterol, lifespan, longevity, meat, meditation, mortality, oxidative stress, palmitic acid, phytonutrients, plant-based diets, processed foods, processed meat, salami, saturated fat, stress, telomeres, vegetables, vitamins, weight loss

In my video, Does Meditation Affect Cellular Aging?, I discussed how stress reduction through meditation might be able to lengthen telomeres, the protective caps at the tips of our chromosomes that tend to deplete as we age. What about...

Michael Greger MD

How Many Minutes of Daily Meditation to Combat Stress?

Michael Greger MD | April 21, 2016 | Health

Read More: aging, beans, cancer, cardiovascular disease, cardiovascular health, chronic diseases, DNA damage, Dr. Dean Ornish, exercise, fat, fruit, grains, heart disease, heart health, longevity, meditation, plant-based diets, prostate cancer, stress, telomeres, vegetables

In the film The Holiday, Cameron Diaz exclaims "Severe stress ... causes the DNA in our cells to shrink until they can no longer replicate." Did Hollywood get the science right? The enzyme that builds and maintains the caps...