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The pack-year is a unit for measuring the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked. For example, 1 pack-year is equal to smoking 20 cigarettes (1 pack) per day for 1 year, or 40 cigarettes per day for half ...
The smoking of food likely dates back to the paleolithic era. [7] [8] As simple dwellings lacked chimneys, these structures would probably have become very smoky.It is supposed that early humans would hang meat up to dry and out of the way of pests, thus accidentally becoming aware that meat that was stored in smoky areas acquired a different flavor, and was better preserved than meat that ...
In the United States, smoker protection laws are state statutes that prevent employers from discriminating against employees for using tobacco products. Currently twenty-nine states and the District of Columbia have such laws. Although laws vary from state to state, employers are generally prohibited from either refusing to hire or firing an ...
The probabilities of death from lung cancer before age 75 in the United Kingdom are 0.2% for men who never smoked (0.4% for women), 5.5% for male former smokers (2.6% in women), 15.9% for current male smokers (9.5% for women) and 24.4% for male "heavy smokers" defined as smoking more than 25 cigarettes per day (18.5% for women). [119]
In 1990, smoking was the cause of about 1,800 male deaths in Israel which was around 12% of all male deaths. [36] Smoking has not been found to be significant cause of death among Israeli women. [36] The average number of cigarettes smoked per Israeli stands at 2162 (6). [34] There are several anti-tobacco use legislations in effect.
Statewide smoking ban: On January 1, 2008, the Smoke Free Illinois Act went into effect, banning smoking in all enclosed workplaces, including bars, restaurants, and casinos, and within 15 feet (4.6 m) of such places; exempts certain retail tobacco stores, private and semiprivate rooms in nursing homes occupied exclusively by smokers, enclosed ...
The next reliable eyewitness account of tobacco smoking is by a Spanish envoy in 1617, but by this time the practice was already deeply engrained in Persian society. The waterpipe called Argila (or hookah) was created in Persia. The pipes of the rich were made of finely crafted glass and precious metals while common people used coconuts with ...
Tar is the name for the resinous, combusted particulate matter made by the burning of tobacco and other plant material in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. [1]