I was fully covered in these hives, head to toe. Literally from the top of my head to the bottom of my feet,” said Rob ...

The CDC estimates that as many as 450,000 Americans might have been affected. Medical researchers issue urgent health alert ...

A woman in Maine developed a dangerous meat allergy after a black-legged tick bite—prompting the CDC to rethink which ticks can trigger alpha-gal syndrome. A decade of cases suggests the threat ...