Two separate studies revealed that people using the drugs had reported less asthma flare-ups and a reduction in prescriptions for a type of migraine medication Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Weight-loss medications could alleviate migraine pain and