The number of Iraq war veterans reporting mental health concerns rises 3-6 months after coming home, a new study shows.

  In the U.S., the number of cases of most vaccine-preventable diseases is at an all-time low, the CDC reports.

  Just 5 pounds of weight gain could make a difference for asthma patients trying to keep their condition under control, research shows.

  In a University of Michigan poll of some 2,000 adults, 6% of parents say they've delayed a child's medical visit due to the price of gas.

  Information on spreading germs and how to prevent the spread of germs.

  Answers to your questions about the common cold, natural cold remedies, cold symptoms amongst others.

  Information about the effects of cold and flu in children. Children are at high risk of complications from the flu.

  Learn about a cold or the flu during pregnancy; how to treat flu symptoms during pregnancy; and the best way to prevent the flu.

  A flu vaccine is the best way of preventing the flu.

  Answers to your questions about the flu including flu shots, flu treatments and symptoms of the flu.

  Learn about colds and flu in older adults. The elderly are the most likely to have complications from the flu..

  Get the basics on tonsillitis from the experts at WebMD.

  Get the basics on strep throat treatment from the experts at WebMD.

  Get the basics on strep throat symptoms from the experts at WebMD.