Go easy on over-the-counter melatonin supplements — misusing them or taking too many can lead to adverse health effects, say experts.

Measles is a respiratory virus that can survive in the air for up to two hours. Up to 9 out of 10 people who are susceptible ...

Texas’ largest outbreak of measles in 30 years has reached 90 cases, the Texas Department of State Health Services said Friday. Thirty-two cases have been added since the department’s update earlier ...