There may be more to home field advantage than just familiar surroundings and local fans. Crossing a few time zones more than doubled some athletes’ sick days.

A day at the county fair is one of the hallmarks of summer in America. But you might want to skip the pig races this year: new swine flu cases have been linked to pigs at agricultural fairs.

Many people are prescribed antibiotics for acute respiratory infections, such as the common cold. But are the antibiotics prescribed doing more harm than good? 

Tweets about vaccines tend to carry strong opinions in 140 characters. If you follow a Twitter user who is against vaccination, what's the chance that you or your family won't get shots?

Every year, thousands of Americans come down with the flu. If you have a condition like rheumatoid arthritis, you may be more likely to get the flu.

Avoiding and caring for any illness is important, but what if there wasn't a known cure or preventative program for your condition? Although this is the case for those living with Parkinson's disease (PD), a better understanding of the condition is underway.

Respiratory syncytial virus (RSV), which can lead to lung and airway infections, is a major cause of respiratory problems in children. Could RSV infection be a precursor to asthma?

There are several vaccines pregnant women are advised to get and several others they should avoid while pregnant. The flu vaccine is one pregnant women should consider.

When a disease becomes resistant to its current treatment, there is cause for widespread concern. That's what is happening in India today, as drug-resistant tuberculosis cases are on the rise.

Did you catch the flu this year? If you did, you were one of the relative few: This year's flu season was the mildest since record-keeping began.