We all know that sleep is necessary, but just how necessary is it?

While everyone occasionally has days when they feel like they have to pee all the time, sometimes urinating too often can be cause for concern.

PMS may seem like a fictional conditions used to give women license to get cranky a few days a month, but it does exist—at least to some degree.

We’ve all been around those “snotty-nosed” kids who always seem to have a runny nose, but what exactly causes children to have perpetual runny noses?

We take a look at some of the most common conditions that HBO therapy is approved to treat.

Blisters can start to form if your sunburn is particularly bad. We take a look at how to deal with them safely.

Hand, foot, and mouth disease is thought to be mild, but could it be dangerous for particularly young children?

Experts believe leprosy is spread through droplets that spray from a cough or a sneeze by an infected person. Here is a look at how contagious leprosy really is.