short and long term effects of tobacco use on respiration heart rate Smoking impacts your body from the PPT - Short Term and

Cigarettes, the most commonly used tobacco product, contain a mix of nicotine, tar, and numerous harmful chemicals that can stain teeth, damage gums, and increase the risk of oral cancer

and whether it should be allowed to

In addition, a recent study that analyzed the transfer of metals from e-cigarettes heating coils to the liquid solution and aerosol found that half of the 56 devices tested produced vapor that contained lead, a neurotoxin which can lead to brain and nerve damage, at levels above federal government limits

Research abounds, and many useful guides exist to help the health care professional and the patient

Cloth materials like cotton or polyester can block some large smoke particles, but they struggle with ultrafine particles (like PM2.5) that easily pass through loose fabric weaves