You've probably heard about respiratory viruses like RSV and the flu, but now doctors are saying a new virus is on the rise. Cases of human metapneumovirus, or HMPV, spiked this spring, according to the CDC. The virus causes many of the same symptoms as the flu , including coughing, runny nose, sore throat, and fever. Older people and young children are most vulnerable, and many don't know they have it until they are tested at a hospital.
U.S. officials granted full approval to a closely watched Alzheimer’s drug on Thursday, clearing the way for Medicare and other insurance plans to begin covering the treatment for people with the brain-robbing disease.
The planet's temperature spiked on Tuesday to its hottest day in at least 44 years and likely much longer, and Wednesday could become the third straight day Earth unofficially marks a record-breaking high, the latest in a series of climate-change extremes that alarm but don't surprise scientists.
