Optic neuritis, the inflammation of the optic nerve, can affect your vision and is common in people with multiple sclerosis.

Measles is very contagious and can be serious. It can cause serious health complications, especially in children younger than 5 years of age. 

Don't brush off poor sleep as something you have to endure; there are many ways to treat sleep apnea.

Understanding your risks and being able to recognize the signs and symptoms of colorectal cancer is your best defense against this disease.