Contains fact sheets and data on smoking, secondhand smoke, and their relationship to a lung cancer, emphysema, asthma, and chronic bronchitis.

I am a 50 year old man, diagnosed with COPD -- severe emphysema, chronic bronchitis and a moderate asthmatic component. I started smoking when I was about 14 years old..."

People with allergies may be more sensitive to cigarette smoke than others and research indicates that smoking aggravates allergies.

Information from the Anti-Cancer Council of Victoria, Australia. Factsheet, diagrams, and basic information.

ASH-UK Factsheet on smoking and lung cancer, COPD, pneumonia.

From a library of medical images, a lung with emphysema ("smoker's lung").