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

Bicycling Does Not Raise PSA

A study from the University Hospital in Essen, Germany shows that riding a bicycle does not raise blood levels of PSA, the blood test used to screen for prostate cancer. Several studies suggest that ordinary bicycle seats can cause impotence which can become permanent...

Zinc and Prostate Cancer

Zinc and Prostate Cancer

A study from the National Cancer Institutes showed that taking more than 100 mg of zinc supplements a day doubles a man’s chances of developing advanced prostate cancer. There are hundreds of products on the market today that contain zinc and they are advertised to help treat the prostate, help prevent prostate cancer, help treat an enlarged prostate, treat impotence, increase sexuality, increase ejaculation volume, and make a man more potent. All of these claims are unsupported by scientific data.

Fitness Prevents Impotence

A study in the Annals of Internal Medicine (August 2003) showed that lack of physical fitness is a major cause of impotence. Doctor Eric Rimm of the Harvard School of Public Health showed that men who run for three or more hours per week, or play tennis five hours a...

Yeast Infections

Yeast Infections

When a woman develops a white discharge and vaginal itching, her doctor often diagnoses yeast infection, even though he may be wrong because every healthy woman has yeast in her vagina and cultures of the vagina almost always grow yeast, even in women who have no symptoms at all.

Yeast Infections

E. Coli Syndrome in Women

If you are a woman who suddenly develops burning on urination, have to urinate frequently and feel terrible discomfort when your bladder is full, or have urgency to urinate whenever your bladder is full, check with your doctor. You could have a bladder or a vaginal infection.

Smoking Increases Cervical Cancer Risk

Cervical cancer is a venereal disease caused by the human papilloma virus called HPV. Nineteen different strains of HPV have been associated with cervical cancer. HPV-16 is the most carcinogenic. As solid cancers grow, they produce angiogenesis factors that increase...

Why You Feel Sleepy After Eating

Why You Feel Sleepy After Eating

If you feel sleepy after eating, particularly after sweets or bakery products, you are normal. Eating sugary foods causes your brain to make large amounts of the neurotransmitter, serotonin, that makes people fall asleep naturally at night.

Piriformis Syndrome

Piriformis Syndrome

If it hurts to touch a point that’s in the middle of one side of your buttocks, you probably have piriformis syndrome. This chronic condition is very difficult to diagnose, because other injuries may produce exactly the same symptoms.