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Smoking Risk

Smoking Risk Quitting Reduces Risk People who smoke quickly become addicted to nicotine. About one-third of the 50 million Americans over age 18 who smoke will try to quit this year, but only 5 million will be successful. Quitting reduces the many risks associated with smoking. Many diseases associated with smoking are shown in the …

Emphysema (Lung Disease)

Emphysema When Breathing Becomes Difficult Emphysema is a chronic lung disease which causes permanent changes in the lung, making it difficult to breathe normally. Smoking and air pollutants are two main causes of emphysema. Damage to the lung occurs in the area where air is exchanged, past the terminal bronchiole, including the respiratory bronchioles, alveoli …