When an individual begins developing the early signs of Alzheimer's disease, one of the earliest symptoms is the loss of smell. Scientists have found a way to reverse this symptom in a lab.

Many Americans battle chronic abdominal pain, which may be a symptom of serious conditions such as irritable bowel syndrome, colitis, or gallstones. However, experts are worried that doctors are over-prescribing opioid painkillers for the pain, especially if another medication is a better option.

You're in pain. Your neck and back constantly hurt. But how do you know if your pain is just pain, or if it's fibromyalgia?

The exact causes of autism are still not known, and much of how the disorder develops remain a mystery. Many studies point to prenatal development links.

It's common for women to lose bone mass and density as they age. Women with extra weight around their bellies are at increased risk for osteoporosis. Can growth hormones help them?

If you have multiple sclerosis, will drinking wine make the disease worse? How about smoking? Or eating fish? How do daily choices affect your condition?

Symptoms of different types of dementia are similar, which can make it tough to give patients an accurate diagnosis. A marker that detects brain plaques can help doctors tell them apart.

Every year, hundreds of thousands of people across the United States undergo hip replacement surgery. When it comes to choosing a type of implant, it can be hard to sift through all the options.

Both rheumatoid arthritis and osteoarthritis patients may undergo knee replacement surgery if conventional treatments give little relief. The results of this surgery differ depending on the type of arthritis.

Most people are familiar with fibromyalgia as an adult condition. However, the chronic pain syndrome affects the younger generation as well. A new study looks at how a treatment used for adults could help children.