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2. 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.

3. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

4. 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 ...

5. Smoking’s effects on the immune system can last years ... - AOL

   www.aol.com/smoking-effects-immune-system-last...

   Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found.

6. Manage Pesky Allergens With the Best Air Purifiers We ... - AOL

   www.aol.com/breathe-easy-air-purifiers-protect...

   Airmega 100 Air Purifier. The Airmega 100 is the first cylindrical unit in the Coway line, which is a nice switch up from the rectangular model that we previously tested. It tucked nicely into the ...

7. Passive smoking - Wikipedia

   en.wikipedia.org/wiki/Passive_smoking

   Worsening of asthma, allergies, and other conditions. [46] A 2014 systematic review and meta-analysis found that passive smoking was associated with a slightly increased risk of allergic diseases among children and adolescents; the evidence for an association was weaker for adults. [47] Type 2 diabetes.