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Men who have physically demanding jobs and regularly lift heavy objects at work also have higher sperm counts and testosterone levels. A new study that is part of broader effort to explore how exposure to environmental chemicals and lifestyle choices affect reproductive health found the link. “We already know that exercise is associated with multiple…  read on >  read on >

Swedish scientists say they have grown electrodes in living tissue, paving the way for formation of fully integrated electronic circuits in living organisms. The development, which blurs the lines between biology and technology, could one day lead to therapies for neurological disorders. “For several decades, we have tried to create electronics that mimic biology. Now…  read on >  read on >

When heart failure strikes, being a lifelong bachelor may mean you might die sooner than women or previously married men diagnosed with the same condition, a new study suggests. Lifetime marital history appears to be an important predictor of survival in men with heart failure, but not women. Specifically, lifelong bachelors had significantly worse long-term…  read on >  read on >

A noninvasive treatment that heats specific areas of brain tissue may ease movement symptoms in some people with Parkinson’s disease, a clinical trial has found. The study tested the effects of an incision-free procedure called focused ultrasound ablation, where doctors use sound waves to heat and destroy specific spots of brain tissue contributing to movement…  read on >  read on >

Getting good sleep may have long-term benefits — even extending your life span, a new study suggests. Researchers found that young people with better sleep habits were incrementally less likely to die early. About 8% of deaths from any cause could be attributed to poor sleep patterns. Study co-author Dr. Frank Qian, a resident at…  read on >  read on >

Confused about emergency contraception? The experts have you covered. Here’s a breakdown of what emergency contraception is, the different types that are available, the side effects you may experience, and how emergency contraception works. Plus, you’ll find out where you can get emergency contraception. What is emergency contraception? Emergency contraception is a way to prevent…  read on >  read on >