Autism is one of the more mysterious intellectual disabilities, and for years scientists have been trying to better understand its causes and functions.

Most kidney failure patients get dialysis treatment three times a week, often taking off the weekend. These two-day breaks may not be such a good idea.

Schizophrenia and bipolar disorder, once known as manic-depression, are common but debilitating mental illnesses. Patients suffer from delusions, hallucinations and severe mood problems.

In the battle of the sexes, women clearly lose when it comes to depression. Women have twice the rates of depressive disorders than men, and the medical and psychological communities have been trying to figure out why for years.

Combine fear with a basic lack of understanding about cancer. Add in lots of facts and figures. And what you have is a patient who is confused and often unable to make good decisions as a result.

When undergoing a surgical procedure or recovering from an operation, patients are hoping for complete pain relief in which they feel no pain whatsoever during the procedure or in the tender hours afterward.

Being deficient in vitamin D is associated with a host of diseases. Because of its important, researchers think it's time to tailor the recommendations for achieving optimum levels of this essential vitamin.

Sitting in heavy traffic may be more than an annoyance. It also appears to make people more susceptible to a heart attack for a six-hour window after inhaling large amounts of fumes.

Lupus is a disease that can harm many parts of the body, and even end up causing kidney failure. Researchers have found a way to improve the survival of these patients.

There have been huge strides in the fight against diabetes over the past decade. Patients now have more treatment and drug options than they ever did before. Yet, some of these drugs may not be entirely safe.