(HealthDay News) — Buyer beware: When it comes to testosterone supplements, men should know a new study finds there is precious little evidence to support claims they will boost testosterone levels, sex drive, strength and overall energy. To come to this conclusion, the researchers first broke down 50 testosterone supplements into their component parts. The…  read on >

A fainting-related fall that caused nerve damage in his right hand could explain why Leonardo da Vinci’s painting skills declined later in life, a new paper suggests. The report, published as the world marks the 500th anniversary of the artist’s death, contradicts the common belief that da Vinci’s difficulties stemmed from a stroke. To arrive…  read on >

Up all night, stressing out, feeling pressured. Cramming for college finals can bring all that, plus have students reaching for fatty, sugary foods, a new study suggests. “Stress has long been implicated in poor diet. People tend to report overeating and comfort eating foods high in fat, sugar and calories in times of stress,” said…  read on >

“Get your head in the game!” Coaches say it to players all the time to get them to focus. The same advice can help you be more enthusiastic about your workouts. Here are five ideas: 1. Set both short-term and long-term goals based on your current abilities. Celebrate each one as you reach it and…  read on >

Want a quick brain boost? A morning session of exercise and short walks throughout the day provide a number of brain benefits for older adults, a new study says. The findings show that people should avoid uninterrupted sitting to maintain good mental function throughout the day. The study also indicates that moderate-intensity exercise such as…  read on >

A gene therapy that tweaks the immune system might offer hope to people with blood cancer that has resisted standard treatments, a new preliminary trial suggests. The cancer, called multiple myeloma, arises in certain white blood cells. It is currently incurable, but there are treatments that can help people live with the disease for years.…  read on >

A chemical peel can reduce signs of aging and treat a variety of skin conditions, says the American Academy of Dermatology. Acne, discoloration, freckles and sun-damaged skin are some of the many conditions commonly treated with a peel. After treatment, patients often see smoother skin, a brighter complexion, a more-even skin tone and fewer wrinkles.…  read on >

Need to see your doctor, but can’t take time off from work? There’s an app for that. And new research shows patients find the ability to see a doctor “virtually” convenient and satisfying. Nine out of 10 people who had a virtual visit with a doctor said it was more convenient than other ways of…  read on >