Women and testosterone

While not a large part of a woman's hormonal make-up, testosterone is active in many tissues, including the brain, bone, muscle, skin, blood vessels, and vagina. It's thought to contribute to bone density, strength and energy, blood flow, hair growth, and sexual arousal.… Read More

Wound healing

Wounds heal better when they're kept somewhat moist. Some experts advocate soaking off dried scabs (with warm, soapy water) and covering the area with a bandage dabbed with an antibiotic ointment.… Read More

Lactose intolerance and portion size

Many people diagnosed with lactose intolerance can still enjoy foods like ice cream and cheese, as long as they eat them in small amounts or with other food.… Read More


Obsessive-compulsive disorder (OCD) tends to run in families. The lifetime risk for close relatives of people with OCD is four times greater compared to the general population. The family rate is even higher when symptoms begin in childhood.… Read More

Exercise and Mental Fitness

Physical fitness and mental fitness go together. People who engage in regular vigorous exercise also tend to stay mentally sharp into their 70s and 80s. A six-year study reported in the Annals of Internal Medicine in 2006, found that people who exercised more than three times a week had a lower risk of dementia than their sedentary counterparts… Read More

Smoking and stroke

Smoking doubles the risk of stroke. That's the bad news. The good news is that quitting helps and that within just five years of quitting, former smokers face the same likelihood of stroke as nonsmokers.… Read More
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  • About PEC

    The Patient Education Center provides multimedia access to reliable and relevant medical information at and beyond the point of care. Our content is developed exclusively by Harvard Health Publications, the media and publishing division of the Harvard Medical School of Harvard University, and distributed by Health Media Network.