Although obesity has been considered a risk factor for more-severe cases of the flu, a new study found that it is not a risk factor for severe acute respiratory illnesses, including the flu, in children or adults.

Most people know doctors recommend a colonoscopy at age 50 to screen for colorectal cancers. What they might not realize is that earlier screening may be necessary if they have a family history of colorectal cancer or other diseases.

A strict gluten-free diet may help protect against the nerve pain that some people with gluten sensitivity experience, according to a preliminary study released recently.

Some people with a certain type of hearing loss may be more likely to also have the memory loss and thinking problems called mild cognitive impairment, according to a preliminary study released recently.

Advances in cancer treatment have resulted in a growing number of cancer survivors. However, powerful treatments such as chemotherapy, radiation treatments, and some cancer drugs are not without their risks, including the potential for serious, long-term damage to the heart.

Without a doctor or dentist’s guidance, some parents don’t follow national recommendations for early dental care for their children, a new national poll finds.