Measles is surging and vaccine hesitancy is up. In his book "Booster Shots," Dr Adam Ratner explains why measles is back and how we can control this deadly infectious killer.

Vaccination rates for shots that prevent diseases like polio, measles and others have fallen dramatically for some of the ...

"Put on your coat so you don’t catch a cold,” Mom always said. Could skipping the warm layers on icy winter days really leave you sneezing and sick?