Cold, dry air can trigger exercise induced bronchoconstriction (EIB), even in people who don't otherwise have asthma. Symptoms can include wheezing, chest tightness, cough or shortness of breath within five to 20 minutes Eibe Gro Bonsai Plantenwelt Wiesmoor Gemeiner Efeu Hedera helix Pflanzenschleuder Kaktus in die botanischen Grten von El Huerto del Cura in Elche in der Nhe von Alacante in Spanien Stockfotografie Alamy