Up to 70% of People With Asthma and COPD Go Undiagnosed yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
Learn more about home remedies for flu ranging from zinc and elderberry to chicken soup and herbal tea, and find out if they can really help you recover.
Canadian wildfires have sent a wave of smoke across the East Coast. Experts share how to protect yourself during an air quality alert and what masks to wear.