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2. 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 .

3. Indoor air quality - Wikipedia

   en.wikipedia.org/wiki/Indoor_air_quality

   Portable room air cleaners with HEPA filters can be used if ventilation is poor or outside air has high level of PM 2.5. [122] Air filters are used to reduce the amount of dust that reaches the wet coils. [citation needed] Dust can serve as food to grow molds on the wet coils and ducts and can reduce the efficiency of the coils. [citation needed]

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. The air purifier you bought during the pandemic may still ...

   www.aol.com/air-purifier-bought-during-pandemic...

   Risks from the Covid-19 pandemic and increasingly intense wildfire seasons sparked interest in air purifiers as a tool to keep indoor air healthy. But experts say they can be just as important to ...

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

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

   24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. ... Smoking’s effects on the immune system can last years, study finds. Jen Christensen, CNN.

7. 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 ...