Essay On The Harmful Effects Of Smoking

Essay On The Harmful Effects Of Smoking-32
They are also found at the junction of nerve and muscles and nerves and certain glands.Acetylcholine receptors throughout the body are traditionally classified as nicotine receptors (those that respond to nicotine) and muscarine receptors (those that respond to muscarine).

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Smokeless tobacco (chew tobacco, snuff etc.) is a major cause of cancer of the oral cavity. federal government, the image is in the public domain.

Risk of developing cancer increases with: This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. Nicotine lozenge and sub-lingual tablets are also available as a form of nicotine replacement therapy.

Tar is a sticky residue which contains benzopyrene, one of the deadliest cancer causing agents known.

Other compounds are carbon dioxide, nitrogen oxides, ammonia, volatile nitrosamines, hydrogen cyanide, volatile sulfur containing compounds, volatile hydrocarbons, alcohols, aldehydes and ketones.

Nicotine is the major cause of the predominant behavioral effects of tobacco. Nicotine influences and reinforces all tobacco-use behavior.

After absorption, nicotine travels rapidly to the brain, in a matter of seconds, therefore, the psycho-active rewards associated with smoking occur quickly and these rewards are highly reinforced.

Nicotine binds to the receptors in the brain where it influences the cerebral metabolism.

Nicotine is then distributed throughout the body, mostly to skeletal muscles.

Available data from WHO demonstrate that thirty-eight million people die each year from NCDs, of which nearly 85% of NCD deaths occur in low- and middle-income countries.

According to WHO statistics for 2010 in India, NCDs are estimated to account for 53% of all deaths.


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