Mar­tin Fish­er, M.D., is the Chief of the Divi­sion of Ado­les­cent Med­i­cine and the Med­ical Direc­tor of the Eat­ing Dis­or­ders Pro­gram at the Cohen Chil­dren’s Med­ical Cen­ter of the North Shore-Long Island Jew­ish Health Sys­tem in New Hyde Park, New York.