The European Commission has issued "final warnings" to Germany, France, Spain, Italy and Britain for failing to address repeated breaches of air pollution limits for nitrogen dioxide, it said Wednesday.
Doctors and researchers have known for years that children are more likely to develop mental-health problems if their mother has struggled with depression. But what if it's the father who's depressed?
Four former soccer players who had advanced forms of dementia were also found to have chronic traumatic encephalopathy, according to a study (PDF) published Tuesday.
Drug company Merck said Tuesday it's halting the late-stage trial of its promising Alzheimer's drug verubecestat, after an independent study found that it had "virtually no chance" of working.
Louisville emergency crews responded to 151 calls of overdoses over a four-day span, a blistering pace that stretched and strained resources. CNN rode along to get a glimpse of the growing heroin crisis. "He's blue," one frantic 911 caller says.
His face is known to all who work at the Floating Hospital for Children in Boston and familiar to many in the community -- but nobody can tell you his name.
