Dr. Gabe Mirkin on Fitness, Health and Nutrition

Chat with Dr. Mirkin’s AI research assistant about health issues that are discussed on the site

The Placebo Effect and Supplements

The Placebo Effect and Supplements

Fifty-two percent of North Americans spend $41 billion a year on over-the-counter food supplements. Athletes and exercisers spend more than 14 percent of the $41 billion, or $5.67 billion, for supplements that are supposed to make them faster or stronger.

Meat and Heart Disease

Meat and Heart Disease

Many studies show that eating meat every day is associated with increased risk for heart disease, but until now we have had little data about the effects of eating meat less often than that. A new study followed 29,682 participants, average age 53.7, for 30 years and found that eating two servings per week of mammal meat or processed meat was associated with a seven percent increased risk of heart disease.

Paul English: Why Pneumonia is Such a Common Cause of Death in Seniors

Kirk Douglas: 23 Years of Rehabilitation After a Stroke

Kirk Douglas, who died at 103 on February 5, 2020, was one of the 20th century’s most famous actors. He starred in more than 90 movies and earned three Academy Award nominations, received a Presidential Medal of Freedom in 1981 from President Jimmy Carter, and an Oscar for Lifetime Achievement in 1996.

Large Doses of Vitamin D Can Be Harmful

Large Doses of Vitamin D Can Be Harmful

Lack of vitamin D can cause weak bones that break easily, bone pain, and muscle weakness, and may increase risk for diabetes, high blood pressure, certain cancers, nerve damage and autoimmune conditions such as multiple sclerosis. However, taking very high doses (>3000 IU/day) of vitamin D can harm you.

Paul English: Why Pneumonia is Such a Common Cause of Death in Seniors

Can Hair Turn Grey Overnight?

Marie Antoinette and Sir Thomas More were both reported to have had their hair turn gray on the nights before their executions. However, hair is dead skin, so it can’t possibly change color. Grey hair means that you have a mixture of white and pigmented hairs. The only way that hair could change color overnight would be to have most of your darker hairs fall out suddenly, leaving only the white hairs.