You have a matched pair, all pink and pretty and I want you to keep them that way. I refer to your lungs, your portable oxygen tanks. You don't see them and if you are lucky, you don't hear them, though people with asthma hear them far too often.Wheeze, wheeze. You already know that smoking isn't good for your lungs, but did you know that cleaning sprays were connected to a 30 to 50 percent increased risk of asthma? One study of the subject involved 3,500 people from 10 countries and was published in the American Journal of Respiratory and …