1. Practice breathing from the diaphragm or abdomen instead of the chest. When you are breathing correctly the belly will push outward on breathing in, and contract or tighten when breathing out. The chest and shoulders do not rise up.
2. If you do start wheezing or getting short of breath try to breath slower while relaxing the rest of your body. This reduces the demand for oxygen in the body. If you are exercising slow down or stop.
3. Stop smoking or hanging out in smoky rooms whenever possible. If you live with a smoker who wont quit or go outside to smoke then encourage the use of an air-filter or devise that sucks up the smoke. Dont underestimate the dangers of second hand smoke, particularly on children and the elderly.
4. Try swimming as the exercise of choice. The increased moisture seems to lessen the chance of spasm of the bronchial tubes. Starting slowly with walking or a stationary bike can also safely improve cardiovascular stamina.
5. Drink extra glasses of water or liquids. With more rapid breathing it is easier to get dehydrated. Some regular tea is ok as it has a chemical to relax the bronchial tubes called Theo bromide,...