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  2. Health effects of tobacco - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_tobacco

    This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here. For ...

  3. Smoking and Health - Wikipedia

    en.wikipedia.org/wiki/Smoking_and_Health

    The health effects of tobacco had been debated by users, medical experts, and governments alike since its introduction to European culture. [1] Hard evidence for the ill effects of smoking became apparent with the results of several long-term studies conducted in the early to middle twentieth century, such as the epidemiology studies of Richard Doll and pathology studies of Oscar Auerbach.

  4. Nicotine poisoning - Wikipedia

    en.wikipedia.org/wiki/Nicotine_poisoning

    The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...

  5. Effects of nicotine on human brain development - Wikipedia

    en.wikipedia.org/wiki/Effects_of_nicotine_on...

    The health effects of long-term nicotine use is unknown. [18] It may be decades before the long-term health effects of nicotine e-cigarette aerosol inhalation is known. [19] Short-term nicotine use excites the autonomic ganglia nerves and autonomic nerves, but chronic use seems to induce negative effects on endothelial cells. [20]

  6. Tobacco harm reduction - Wikipedia

    en.wikipedia.org/wiki/Tobacco_harm_reduction

    The consumption of tobacco products and its harmful effects affect both smokers and non-smokers, [9] and is a major risk factor for six of the eight leading causes of deaths in the world, including respiratory diseases, cardiovascular diseases, cerebrovascular diseases, periodontal diseases, teeth decay and loss, over 20 different types or subtypes of cancers, strokes, several debilitating ...

  7. Tobacco and life insurance: Here’s what you should know - AOL

    www.aol.com/finance/tobacco-life-insurance-know...

    While pipe smoking may seem less harmful than cigarettes or cigars, it still involves inhaling nicotine and harmful substances. Health risks include respiratory problems and cancers, particularly ...

  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. The Health Risks and Benefits of Weight-Loss Drugs - AOL

    www.aol.com/health-risks-benefits-weight-loss...

    But doctors are still learning about all of the ways they affect the body—both helpful and harmful—beyond reducing weight. ... effects on addictions to alcohol, tobacco, cannabis, and opioids ...