A landmark study suggests that testosterone treatment is no fountain of youth, finding mostly modest improvement in the sex lives, walking strength and mood of a select group of older men.
Two blood-building drugs injected soon after birth may give tiny preemies a lasting long-term edge, boosting brain development and IQ by age 4, a first-of-its-kind study found.
A mysterious brain disorder can be confused with early Alzheimer's disease although it isn't robbing patients of their memories but of the words to talk about them.
From the cacophony of day care to the buzz of TV and electronic toys, noise is more distracting to a child's brain than an adult's, and new research shows it can hinder how youngsters learn.
Whether it's a jungle hut or a high-rise apartment, your home is covered in bacteria, and new research from the Amazon suggests city dwellers might want to open a window.
Florida Dozens of farmworkers looked up at the little yellow plane buzzing over the Florida radish field, a mist of pesticide falling from its wings.
Government officials tangled on Wednesday over who was to blame for the crisis in Flint, Michigan, that allowed lead-contaminated water to flow to thousands of residents at a combative congressional hearing that devolved into a partisan fight over witnesses and no-shows.
Britain's fertility regulator has approved a scientist's request to edit the human genetic code in an effort to fight inherited diseases -- but critics fear the new technique crosses too many ethical boundaries.
A slight young man, with a dirty piece of pink cloth covering his hands resting on his lap, sat outside Dr. Samanta Lal Sen's office at the Burn & Plastic Surgery Unit of Dhaka Medical College Hospital (DMCH). He looked normal until his mother Amena Begum removed the cloth and he brought his feet out from beneath the chair.
Scientists pursuing the biological roots of schizophrenia have zeroed in on a potential factor -- a normal brain process that gets kicked into overdrive. The finding could someday lead to ways to treat the disease or even prevent it.