Considering the effect of humidity on the intensity and concentration of leakage of cigarette filter pollutants, including heavy metals 24 , this effective factor was evaluated by the changes of precipitation in the studied area
However, data about risk factors for pneumonia in lung cancer patients receiving palliative care or active treatment including surgical intervention, chemotherapy, radiotherapy, or tyrosine kinase inhibitor (TKI) are limited
The machines used to manufacture cigarettes can easily blend tobacco, roll, cut, attach filters, and package the end products without any compromises on efficiency and quality
Thirdhand smoke in shared spaces Thirdhand smoke is the residue left behind by tobacco smoke on surfaces, dust, furniture, clothing, and walls
These vapors can contain any number of chemicals or substances, but they typically include nicotine