Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

Nearly 40 million people in the U.S. suffer from migraines, making the painful disorder one of the most common that neurologists treat. It’s also among the most confusing. Because of the many ways it ...

7 lions to be euthanized at wildlife park: "No real options left" Unusual Symptoms of Rheumatoid Arthritis (RA) Not To Ignore ‘Predator: Badlands’ early reviews are all leaning one way Watch a senior ...