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  2. Health effects of tobacco - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_tobacco

    Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...

  3. 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.

  4. Study: Smoking permanently shrinks the brain, driving up ...

    www.aol.com/study-smoking-permanently-shrinks...

    Ultimately, researchers found genetic risk leads to smoking, which leads to decreased brain volume. Plus, the more a person smokes each day, or with each additional year of smoking, the smaller ...

  5. 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 ...

  6. Smoking cessation - Wikipedia

    en.wikipedia.org/wiki/Smoking_cessation

    Smoking cessation can improve health status and quality of life at any age. [217] Evidence shows that cessation of smoking reduces risk of lung, laryngeal, oral cavity and pharynx, esophageal, pancreatic, bladder, stomach, colorectal, cervical, and kidney cancer, in addition to reducing the risk of acute myeloid leukemia. [217]

  7. Pack-year - Wikipedia

    en.wikipedia.org/wiki/Pack-year

    A pack-year is a clinical quantification of cigarette smoking used to measure a person's exposure to tobacco. This is used to assess their risk of developing lung cancer or other pathologies related to tobacco use. However, it is difficult to rely on the assessment based on the pack-year due to the different nature of the packaging by different ...

  8. Tobacco smoking - Wikipedia

    en.wikipedia.org/wiki/Tobacco_smoking

    Smoking in the Americas probably had its origins in the incense-burning ceremonies of shamans but was later adopted for pleasure or as a social tool. [21] The smoking of tobacco and various hallucinogenic drugs was used to achieve trances and to come into contact with the spirit world. [22] Also, to stimulate respiration, tobacco smoke enemas ...

  9. Cardiovascular risk screening - Wikipedia

    en.wikipedia.org/wiki/Cardiovascular_risk_screening

    Key risk factors that are evaluated during cardiovascular risk screening include: [4] Hypertension; Hyperlipidemia; Diabetes; Obesity; Smoking; Physical inactivity; Unhealthy diet; Family history of cardiovascular diseases; Age (Men over 45 and women over 55 are at higher risk) Gender (Men are generally at higher risk, though postmenopausal ...

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