MONICA SCHROEDER / SCIENCE PHOTO LIBRARY MONICA SCHROEDER / SCIENCE PHOTO LIBRARY
Illustration depicting the lungs of a smoker. Smoking can lead to a variety of lung diseases, including chronic bronchitis, chronic obstructive pulmonary disease (COPD), emphysema, and lung cancer. Here, the lungs are gray and tumours have started to develop.
Model release not required. Property release not required.