Smoking causes lung cancer and cancers of the oral cavity, esophagus, larynx and bladder. More than 95% of lung cancers are found in either smokers or those exposed to environmental tobacco smoke. 90% of smokers with lung cancer die within 3 years of diagnosis. The risk increases steadily with the number of cigarettes smoked per day.
The most well-known side effect of smoking is the development of lung cancer. More benign dangers of smoking are yellow teeth, bad breath, smelly clothes and being more susceptible to colds.
Some smokers get brown nicotine stains on their fingers. Smoking can cause loss of taste, dental caries, stained teeth, bad breath, mouth sores and receding gums.
Smoking makes it harder for the blood to be pumped round the body (Buergers Disease), and one of the worst long-term effects of smoking is the development of cardiovascular disease.
Smoking is a major risk factor for heart attacks, emphysema, cancer, strokes and Chronic Obstructive Pulmonary Disease (COPD).
Nicotine affects the joints, bones and muscles. It causes Osteoporosis and Osteopenia and hence increases the chance of bone fractures and tissue injuries.
Further dangers of smoking are impotence, thickening of the arteries, blood clots, cancer of the lung, cervix, esophagus, bladder, larynx, mouth, pancreas and kidney, and emphysema, as well as exhibit symptoms such as wheezing, coughing, dizziness, reduced stamina, poor athletic performance and nausea.
One side effect of smoking is the buildup of carbon monoxide in the blood. Increased levels of carbon monoxide in the blood can impair vision, perception of time and coordination.
The toxins in smoke can cause a significant reduction in lung functioning. Smoker's cough is common symptom that develops as the defense system tries to expel the chemicals accumulated in the lungs and air passage. Gradually, the respiratory system becomes more prone to infections due to lowered immunity.
Smoking impacts women's health substantially by causing miscarriages, infertility, complicated pregnancies and early menopause. Smoking during pregnancy and breast-feeding can have harmful effects on the baby in early childhood and also as they grow up. Smoking is known to cause sperm abnormalities and therefore male infertility.
Environmental tobacco smoke has large amount of toxins that cause harmful effects to non-smokers.

This is our research on the alleged dangers of Smoking / adverse effects of Smoking and not medical advice!