Parents expect young girls to be cleaner than boys, which according to the hygiene hypothesis, might explain why they get sick more often later in life.

Am I sensitive to gluten? I'm about to find out.

This year's allergy season is coming earlier than usual because of this winter's warmer temperatures. Who will be hit the hardest?

Researchers find connection between kids who take antibiotics early in life and the later development of asthma.

Video: Dr. Roshini Raj, Health magazine's medical expert, discusses why allergy season has arrived so early. She says you can help combat the coughing and sneezing by using a dehumidifier and limiting outdoor activities.

Video: As the number of children with severe food allergies grows, parents are finding that their worries are beginning to be heard in some high places.

Video: This year’s mild winter isn’t all good news; the warmer weather is triggering the early arrival of allergy season.

While having a cat as a kid may protect against future allergies, getting one in adulthood nearly doubles the chances of developing an immune reaction to it.

The worst thing many people suffer after eating is a case of wicked indigestion. But for some, eating the wrong thing can cause hives, swelling, vomiting and even death. Here are the eight foods that commonly induce 90 percent of all food reactions.