Addiction -- A compulsive need to use a substance such as tobacco, drugs or alcohol that causes mental, physical or social harm to the user.
Chest X-ray -- It is a diagnostic test that uses invisible electromagnetic energy beams to produce image of internal tissues, bones, and chest organs (heart and lungs) onto film. It is used to determine the location, size, shape and qualities of the heart, lungs and blood vessels.
Chronic obstructive pulmonary disease (COPD) -- It is a term that refers to a large group of lung diseases that can interfere with normal breathing. The two most common conditions of COPD are chronic bronchitis and emphysema.
Nicotine -- A chemical naturally found in large amounts of tobacco leaves. Poisoning can result from ingesting (chewing nicotine gum or patches) too much of this compound.
Pulmonary rehabilitation -- A program for people with COPD to help them lead a more productive life and function as normally as possible. Most programs include exercise, education, emotional support, breathing exercise, nutritional counseling and may also include medical management.
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