In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

Rhinoviruses and endemic coronaviruses are the main causes of the common cold. Recent studies show “common” cold viruses can cause severe and even fatal illness in healthy adults. Infection with ...

Winter illnesses can have similar symptoms but there are warning signs of pneumonia that need to be treated in hospital ...

Cold season and mosquito season often overlap in India and it becomes easy to confuse symptoms. A fever and body ache together after a bite can be scary and can raise worrying thoughts on whether it ...

LOS ANGELES -- Every time kids go back to school, the whole family gets sick. CDC data reveals we haven't had this many cases of the common cold since we hit another high peak three years ago! As flu ...