For years, vitamin C has been said to help people stay healthy and recover faster from a cold. Science says this may be true in some ways.

During flu season, the flu often seems to spread like wildfire. Recent research gives some insight about how the flu spreads so quickly.

While the flu vaccine lowers chances of getting the flu, there have been concerns about giving it to egg-allergic children. This group now appears to have no reaction from the treatment.

Smoking is unhealthy for the healthiest of people. But for people with human immunodeficiency virus (HIV), smoking is even worse. Want to stay healthy with HIV? Quit smoking now.

One drawback of the seasonal flu vaccine is that it's made with egg proteins – a possible problem for people with egg allergies. But next year, they will have a new egg-free option.

Pediatricians ask many questions at yearly check ups. There’s one question they might need to add to the list: Where were the child’s parents born?

With a flu pandemic going on, public health authorities are encouraging everyone to get flu shots. But pregnant women may worry – will the shot hurt my baby?

Being hospitalized for pneumonia can put patients on a fast track to heart disease. If that weren't bad enough, these patients may also be at risk of developing irregular heart beats.

This year's flu season has already proven to be devastating. The virus' effect in Boston is so severe that the mayor declared the flu outbreak as a public health emergency on Wednesday.

Next time you feel like you're coming down with the flu while you're sitting at your computer, you might want to click over to a website called Flu Near You before you head to the doctor's.