A colonoscopy is a medical procedure that uses a thin, flexible tube to examine the colon. Although invasive and sometimes uncomfortable, colonoscopies are essential screening tools. And that may be especially true for colorectal cancer patients.

Here's a reason to keep your mouth clean that you probably didn't expect: It might lower your risk of stroke.

Opioid overdoses aren’t the only kind of overdose.

Right after schools reopen after break could be the most dangerous time of year for children with asthma, new evidence suggests. And the reason why may surprise you.

Testosterone therapy has been a controversial subject for some time in the scientific community, likely because of the mixed research results tied to the practice. But that may be about to change.

The recent West African epidemic has intensified the search for an effective Ebola vaccine. And researchers are now saying they may be one step closer to finding one.

More young adults are experimenting with the prescription drug Adderall, which is commonly used to treat attention deficit hyperactivity disorder (ADHD), than ever before. And that could be a big problem.

Looking to kick the habit? If so, there are plenty of support programs out there designed to help you quit. And a few of them have just been compared for the first time.

Bone health is probably something you don't plan on worrying about until you're older. But for men, bone health later in life may have something to do with their earlier years.

Interferon is a medication commonly used to treat melanoma, but it may not be beneficial for some patients. And the reason why may be a good one.