Bleeding is never a good sign. Though it may not come with pain, having blood in your stools could mean some bigger problem is happening inside and new research is finding more people are getting hospitalized for this problem.

Football has been in the news for concern over head injuries. Now it's hockey's turn. Concussions and on-going headaches are impacting both men and women hockey players.

Medical tests for Alzheimer’s disease (AD) may help with early diagnosis, but no test is perfect. A recent study found that conducting multiple tests together improved the accuracy. But is this expense worth it?

Type 1 diabetes can cause serious damage to your eyes. Fortunately, there has been much progress over the years in the prevention and treatment of eye damage caused by diabetes, or diabetic retinopathy.

Bipolar and depression share many symptoms. Knowing which teens are bipolar and which have depression may be hard. A recent study looked for differences.

First there's the heartburn. And maybe nausea. It's common among people with acid reflux and, across the UK, more are letting it become a bigger problem.

A lowly flesh-eating fungus that feasts on a diet of roundworms may have a higher purpose. Tiny particles produced by the fungus may be able to stimulate the immune system and stop cancer.

Pregnant women with depression have tough choices to make. Do they treat the depression with medication or skip the meds? How might either choice affect their baby?

Many seniors live alone in their golden years, but this doesn't mean they're lonely. But feeling lonely may affect how long they are able to live alone before developing dementia.

If Sally's brother John has a drug abuse problem, Sally is at risk for drug abuse too. But why? Is it more about the genes they share? Or is it about living in the same house?