Smoking. Close-up of a woman's mouth exhaling cigarette smoke. Tobacco contains a range of harmful chemicals,including nicotine. It takes 20 seconds for nicotine to reach the brain and it is considered by some to be as addictive as heroin and cocaine. Tobacco contains carcinogens,such as tar. It produces the chronic irritation of the respiratory system that can lead to lung cancer. Tobacco smoking is also associated with chronic bronchitis and coronary heart disease | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kelvin, Jason |
Bildgröße: | 4802 px × 3639 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |