Scientists say they’ve found the cause of a marine epidemic more than 10 years after it started. What took so long?
Recent upheavals have shaken confidence in the CDC, leading states and medical societies to forge their own paths.
Mixed evidence has, in some studies, found an association with autism. No research has proved a causal relationship.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback