Multiple sclerosis (MS) symptoms vary widely among those with the disease. And that can complicate efforts to prescribe the right treatment for MS patients.

Sleep apnea has been linked to disease of the immune system and inflammatory diseases. But there's one part of the body possibly affected by sleep apnea that many may not even consider.

Broken bones and burns are often common injuries among children and teens. But some kids may be at greater risk than others for injury, such as those with epilepsy.

Women with breast cancer often receive radiation treatments and chemotherapy to fight their disease. In some women, those treatments might bring long-term health effects that aren’t so desirable.

Milk has long been associated with the prevention of weak bones (osteoporosis). New research now suggests that the more milk a woman drinks, the less of a problem she may have with progression of her osteoarthritis.

People's bones tend to grow more fragile as they age, especially in older women. But there may be factors that are within a person's control to help decrease the risk for fracture.

Mental health issues may play a role in disabling back pain that can require surgery, and experts recommend mental health screening before spinal surgery. But it seems some surgeons may have missed this recommendation.

Natalizumab is often used to fight the symptoms and progression of multiple sclerosis, but the drug comes with a significant risk of a rare and potentially fatal viral infection.

Pain may be the worst symptom of fibromyalgia. But this condition carries additional difficulties, including depression, exhaustion, and problems with sleep.

Mood-stabilizing medications are used to treat mental or neurological conditions, but a new study suggested that one of these medications might have an unexpected effect — preventing cancer.