Unexplained right shoulder pain could be a sign of liver cancer due to referred pain from the liver, according to experts. Here's what to know.

Unexplained muscle pain in the arms and legs may be the result of benign issues. Or it may point to a more serious underlying condition, such as fibromyalgia, infection, or thyroid issues. Muscle pain ...

Leg problems can signal serious health issues. Unexplained swelling, deep pain, numbness, or growing lumps may indicate ...

About 40% of patients in primary care have pain or illness that cannot be explained by diagnostic tests. It is commonly assumed that the symptoms are “all in their heads,” and that little or nothing ...

“Medically Unexplained Symptoms” (MUS) has become a diagnosis not uncommonly given to patients for whom a cause of suffering has not been found. Many are people experiencing chronic pain and told that ...