Asthma is a chronic condition that affects 25 million people in the United States. Having a mother with asthma is an important risk factor and a new study may explain why.
Scientists find epigenetic changes during pregnancy may contribute to development of asthma miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.