Osteoporosis causes bones to become weak and brittle – so brittle that a fall or even mild stresses such as bending over or coughing can cause a fracture. Osteoporosis-related fractures most commonly occur in the hip, wrist or spine. More...

Neurofibromatosis is a genetic disorder that causes tumors to form on nerve tissue. These tumors can develop anywhere in your nervous system, including your brain, spinal cord and nerves. Neurofibromatosis is usually diagnosed in childhood or early adulthood. More...

Melanoma, the most serious type of skin cancer, develops in the cells (melanocytes) that produce melanin – the pigment that gives your skin its color. Melanoma can also form in your eyes, and rarely, inside your body, such as in your nose or throat. The exact cause of all melanomas isn’t clear, but exposure to ultraviolet (UV) radiation from sunlight or tanning lamps and beds increases your risk of developing melanoma. Limiting your exposure to UV radiation can help reduce your risk of melanoma. More...

Lupus is a systemic autoimmune disease that occurs when your body’s immune system attacks your own tissues and organs. Inflammation caused by lupus can affect many different body systems – including your joints, skin, kidneys, blood cells, brain, heart and lungs. More...