Fear of a flu epidemic is a constant concern for scientists and researchers. A new study may help reduce those fears thanks to a “natural killer.”

If you’re daughter is in her first year of college, it might be a good time to remind her about the importance of safe sex. According to new research, freshman girls use condoms less and less as the year progresses.

It's the medical breakthrough that disease experts have long dreamed about: A “universal” flu vaccine that would last for years and protect against all strains of flu virus.

Testing for viruses and bacteria used to require expensive equipment. Soon, people may be able to spot diseases and unsafe foods from the comfort of their home.

Bird flu may not be as fatal as previously believed, though new evidence suggests that a larger-than-expected number of individuals have been exposed to minor bird flu illnesses.

Despite long traditional use, there is limited data about the influence of garlic on cold and flu treatment. Recent clinical trials are illuminating how this plant keeps us healthy.

In almost all cases, people have prediabetes before they develop type 2 diabetes. Like diabetes, prediabetes has been linked to complications such as nerve damage. Now, new research may break that link.

Among dairy-related disease outbreaks, raw milk appears to be the culprit. In states where the sale of u npasteurized milk is legal, the number of outbreaks doubles.

Today, people with HIV/AIDS can expect to live longer, healthier lives with the help of medications. Some of these medications, however, may come with dangerous side effects.

The flu vaccine can do more than protect a pregnant mother and her baby from the flu. It also appears to reduce the risk of having an underweight baby.