Tobacco use most commonly leads to-
diseases affecting, heart and lungs; with smoking being, a major risk, for heart attack. The primary risk of tobacco usage, include many form of cancer; particularly lung cancer, cancer of kidney, cancer of larynx and head and neck, breast, bladder, oesopahgus, pancreas and stomach.
- In smoking, long term exposure to compounds found in the smoke; such as, carbon monoxide, cyanide and so forth, are believed to be responsible; for pulmonary damage and for loss of elasticity, in the alveoli, leading emphysema and chronic obstructive pulmonary diseases.
- Inhalation of tobacco smoke causes, several immediate responses; with in the heart and blood vessels.
- With in 1 minute, the heart rate begins to rise. Smoking also increases the chance of heart disease, stroke, atherosclerosis and peripheral vascular disease.
- Several ingredients of tobacco, lead to narrowing of, blood vessels; increasing the likelihood of blockage and thus heart attack or stroke.
The usage of tobacco has also been linked to-
burger's disease. Even short exposure to second hand smoke, can cause blood platelets; to become sticker, damage the lining of the blood vessels, decrease coronary flow, velocity reserves and reduce heart rate variability, potentially increasing the risk of heart attack.
- Smoking also raises the levels of fibrinogen and increases platelet production; which makes the blood viscous. Smoking tends to increase blood cholesterol levels.
- Cigar smoking causes a variety of cancers including cancers of the oral cavity, oesophagus, larynx and lungs.
- Smoking also increases the risk for various other oral diseases. Halitosis or bad breath is common among tobacco smokers.
Tobacco usage is a significant factor in miscarriage, among pregnant smokers-
It contributes to, number of other threats; to the health of the foetus; such as, premature births and low birth weight.
- The cognitive dysfunction, include increased risk; of Alzheimer's disease and decline in cognitive abilities, in adolescent smokers, cerebral atrophy.