Doctors explain why “leisure sickness” happens and how to keep your immune system from crashing the moment you relax.

Here’s what to do if you start feeling sick during vacation, from knowing how to get your medicine to claiming insurance.

More than 80 people attending the annual Los Angeles Times 101 Best Restaurants event got sick with potential norovirus after eating Canadian oysters. The Los Angeles County Department of Public ...

Girls have been hospitalized in over 10 cities with respiratory, cardiac and neurological symptoms. Senior officials said they might have been poisoned. By Farnaz Fassihi Hundreds of schoolgirls in ...