Pharmaceutical company Novartis AG's multiple sclerosis (MS) drug, Gilenya, has been approved for use in the United States and now Europe to treat relapsing-remitting forms of the disease.

Glaucoma, a leading cause of blindness in the U.S., may not start in the optic nerve of the eye as previously believed. Researchers indicate the first sign of the disease may appear in the brain.

MIT researchers have discovered that endothelial cells (cells in blood vessels) secrete molecules that inhibit tumor growth and deter cancer cells' invasion of other tissues.

Researchers have revealed how a genetic mutation closely linked to some brain cancers and leukemia may contribute to cancer development.

Swedish researchers have found that damaged alpha-synuclein proteins can spread in Parkinson's disease similar to an infection model found in conditions like mad cow disease.

A new study from the Medical College of Georgia has established a link between fat and chemical changes in DNA. This may explain the increased risk of cardiovascular disease and diabetes among obese individuals.

Health and Human Services (HHS) Secretary Kathleen Sebelius has announced the aid of grants to help states implement Health Insurance Exchanges, a key provision of the Affordable Care Act.

Individuals with HIV may be up to three times more likely to suffer stroke than the general population, according to a recent study.

Patients who are undergoing long-term oxygen therapy to treat chronic obstructive pulmonary disease (COPD) have an increased risk of death from other non-respiratory health complications.

The illegal use of HGH (human growth hormone) by male weightlifters is a prevalent issue in the United States, according to a study that appears in the American Journal on Addictions .