From a biological level, severe depression and dementia in older adults look remarkably similar, psychiatrists have found. A new brain scan technique can pinpoint where protein deposits are accumulating.

After a mini stroke, the main concern is usually the risk of an ischemic stroke. New research suggests such an event may also reduce your life expectancy by 20 percent.

As if cancer treatment isn't rigorous enough, patients are often at risk of additional medical problems for months afterwards. New research has uncovered that some cancer patients face an increased risk of developing blood clots.

You may be carrying biological attributes within your genes that increase your risk of developing post traumatic stress disorder (PTSD). Researchers say that the potency of your PTSD may depend on your traumatic trigger.

For the first time, U.S. Food and Drug Administration officials have given the green light to an umbilical cord blood product that could be used in stem cell transplants for patients with blood cancer, or metabolic or immune disorders.

Stress seems to be a regular experience in today's fast-paced world, while depression affects 15 million of us. The two often go hand-in-hand.

Dealing with a debilitating disease is challenging on its own. Add depression on top of it, and the burden of disease is crippling. For many patients with MS, that's reality.

Our DNA is assaulted every day by everything from chemicals and toxins to various sources of radiation. Even low doses of x-radiation (X-rays) can break our DNA, which can lead to cancer if not repaired. Scientists are studying how all of this may impact cancer therapies.