December 7, 2015 8:40 am Understanding How Strokes Happen and How to Treat Them Dr. Marisela Marrero breaks down the cause and treatment of strokes. US & World Videos 1:11 What is ‘factitious disorder imposed on another,' or FDIA? 0:34 FDA expands eye drop recall to include 27 additional products 1:15 What is dengue fever? 1:20 What to know about Legionnaires' disease 1:26 What you need to know about leprosy