It's long been known that human papillomaviruses ( HPV ) cause cervical cancers. And for decades, we have not understood why HPV causes cancer mostly in the cervix, and not several other places in the body.

When treating osteoarthritis, the first goal is to reduce pain. There are a number of drugs and techniques to relieve pain for arthritis patients, but the benefits do not always outweigh the costs.

If you have sleep apnea, it may be worth having your blood sugar checked as well to see if you're at risk for Type 2 diabetes.

While the health problems associated with childhood obesity are becoming well known, less is known about social and mental lives of obese children.

It's no surprise that witnessing or experiencing severe violence affects a child's mental health. But the effects on their sleep can be profound as well.

Nobody wants to watch a loved one suffer from dementia. There may be early predictors and warning signs of the onset of dementia, and one of them may surprise you.

What if you could take a sleeping pill that, instead of making you sleepy, simply attacked the chemicals in the brain that were keeping you up? Such a drug may be on the way.

For years, it was thought that long-term use of insulin caused heart disease in diabetes patients. Now, it looks like that belief may no longer hold weight.

As if low-income, HIV-positive, pregnant women don't have enough on their plates, many also have to contend with depression - though it's possible not enough doctors are noticing.

A mobile phone can feel so important to your life that it's an extension of your body. But taking a break from your phone may help your mental health.