Wheezy weather

时间:2019-03-07 06:03:03166网络整理admin

By Melanie Cooper THE mystery of why some thunderstorms trigger massive asthma outbreaks has been cracked by researchers in Australia. They say intense downdraughts of cold air that sweep up pollen and dust are to blame. Their work also suggests the problem is greater than anyone realised. But if forecasters could predict storms of the type likely to trigger attacks, it would be possible to give sufferers advance warning. After storms,