Patients with ALS sometimes consume a high-calorie diet to gain weight and body mass. A recent study investigated whether these diets are safe.

The hope is always that surgery will be the end-of-the-line answer to a health issue, but that ideal is not always the reality. After knee replacement, a revision surgery is sometimes needed.

Millions of Americans take glucosamine supplements to help improve cartilage damage in their joints, but a new study suggests the supplements may not be helping.

It's been difficult to develop a treatment for early Alzheimer's disease without being able to predict who might get it. Researchers may have just found a way to tell who could be at risk for the disease.

Back surgery might not have to be a major surgery for some patients. A different technique may produce good long-lasting results.

Several diseases may factor into an older, gravely ill person’s death. Alzheimer’s may be one of those diseases, but it might not be listed as the primary cause of death.

Parkinson’s disease can be hard for doctors to identify. And while it has no cure, early diagnosis can help those with the nerve-damaging disease choose an optimum course of treatment.

A new pain medication recently became a controversial topic. While some say the medication will offer a new option to people in pain, others are concerned about potential dangers.

It's not clear what causes multiple sclerosis (MS), an immune disorder that is typically diagnosed between ages 20 to 40. But researchers are seeking more clues.

We expect surgery to help heal a painful condition, but sometimes the procedure can lead to a new type of pain. Researchers behind a new study explored post-op pain after heart surgery.