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2. Health effects of tobacco - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_tobacco

   The potential effects of smoking, such as lung cancer, can take up to 20 years to manifest themselves. Historically, women began smoking en masse later than men, so an increased death rate caused by smoking amongst women did not appear until later. The male lung cancer death rate decreased in 1975—roughly 20 years after the initial decline in ...

3. Smoker's macrophages - Wikipedia

   en.wikipedia.org/wiki/Smoker's_macrophages

   The increasing iron exposure in the lung and airway affects both respiratory and systemic iron homeostasis by modifying cellular response. Although direct etiologic link has not been established, there is a 4-fold increase in intracellular iron level and a concomitant iron release observed in smoker’s macrophage.

4. Tobacco smoking - Wikipedia

   en.wikipedia.org/wiki/Tobacco_smoking

   Common adverse effects of tobacco smoking. The more common effects are in bold face. [88] Tobacco use leads most commonly to diseases affecting the heart and lungs, with smoking being a major risk factor for heart attacks, [89] [90] strokes, [91] chronic obstructive pulmonary disease (COPD), [92] idiopathic pulmonary fibrosis (IPF), [93] and ...

5. Disturbing video shows what your lungs look like after ... - AOL

   www.aol.com/news/2016-07-26-disturbing-video...

   While the study is admittedly crude in nature -- it relies on averages, assumes that the health effects of smoking are evenly spread throughout a smoker's lifetime, presumes that the number of ...

6. Why it's so hard to quit smoking — and how to boost ... - AOL

   www.aol.com/lifestyle/why-hard-quit-smoking...

   Quitting smoking completely can add as much as a decade to your life, along with the positive environmental and public health impact it has by eliminating second- and third-hand smoke, Rezk-Hanna ...

7. Tar (tobacco residue) - Wikipedia

   en.wikipedia.org/wiki/Tar_(tobacco_residue)

   Second-hand smoking (SHS) is a combination of sidestream smoke (i.e., smoke emitted from the burning cigarette, pipe, or cigar) and the mainstream smoke exhaled from the lungs of smokers. It contains more than 4,000 chemicals, many of which are known to affect health.

8. Smoking - Wikipedia

   en.wikipedia.org/wiki/Smoking

   Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of a person. Most commonly, the substance used is the dried leaves of the tobacco plant, which have been rolled with a small rectangle of paper into an elongated cylinder called a cigarette.

9. Tobacco smoke - Wikipedia

   en.wikipedia.org/wiki/Tobacco_smoke

   Tobacco smoke, besides being an irritant and significant indoor air pollutant, is known to cause lung cancer, heart disease, chronic obstructive pulmonary disease (COPD), emphysema, and other serious diseases in smokers (and in non-smokers as well). The actual mechanisms by which smoking can cause so many diseases remain largely unknown.