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Exposure to secondhand smoke raises the risk -- by as much as 30 percent -- that others will get lung cancer and many other types of cancer, it can lead to emphysema, and it is bad for your heart.Smoke makes your blood stickier, raises your "bad" LDL cholesterol, and damages the lining of your blood vessels.
The more cigarettes a mother-to-be smokes, the greater the danger to her baby.
It's simple: Avoid being around people who are smoking, and try to convince those around you who smoke to quit.
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.
Non-communicable diseases (NCDs) like ischemic heart diseases, cancers, diabetes, chronic respiratory diseases are the leading causes of death globally and associated with tobacco use.
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.
The situation is equally bad in India with estimated number of tobacco users being 274.9 million where 163.7 million users of only smokeless tobacco, 68.9 million only smokers and 42.3 million users of both smoking and smokeless tobacco as per Global Adult Tobacco Survey India (GATS).
It means around 35% of adults (47.9% males and 20.3% females) in India use tobacco in some form or the other.
According to WHO statistics for 2010 in India, NCDs are estimated to account for 53% of all deaths.
Of these deaths, cardiovascular diseases and diabetes are the most common causes of deaths in India.