Smoking cessation reduces risk of 12 types of cancer and cardiovascular disease. Smoking cessation improves mental health and reduces anxiety. Body begins healing within 20 minutes after quitting
FVC measures forcefully exhaled air after deep breath. Test helps distinguish between obstructive and restrictive lung diseases. Normal adult FVC range is 3.0-5.0 L
Smoking contains over 7,000 toxic chemicals that damage lung tissue. Eight in ten COPD cases are caused by smoking. Smoking increases risk of lung cancer by 20 times. Cigarette smoking is leading preventable cause of death in US
Bronchiectasis causes lung airways to widen, leading to mucus buildup. Main symptoms include persistent cough and shortness of breath. Persistent cough requires GP referral for further investigation
HP is an inflammatory lung syndrome caused by inhalation of antigenic agents. First described by Ramazzini in 1700 for grain sifters. Disease can be reversed with prompt diagnosis and exposure removal
Lungs are paired organs located in chest cavity, adjacent to heart. Each lung contains up to 300 million alveoli for gas exchange. Right lung is slightly larger, shorter and wider than left. Lungs are covered with pleura, containing glandular cells producing fluid