Passive smoking or second hand smoking is the involuntary inhalation of smoke. It happens when tobacco smoke infuses any environment, causing its inhalation by people within the environment.
Passive smoking has been linked to many serious health risks.
It is linked to breast cancer. One report from California Environmental Protection Agency in 2005 said that the secondhand smoke acts like it could be a cause of breast cancer in women.
It is also linked to premature deaths and diseases in children and adults who do not smoke.
Children exposed are at increased risk of SIDS, respiratory infections, ear problems, and severe asthma. Smoking by parents causes breathing problems and reduces lung growth in their children.
Secondhand smoke affects the heart and blood circulation in a harmful way. Over a long period of time, it also causes heart disease and lung cancer.
The scientific evidence explains that there is no safe level of contact to secondhand smoke.
source: mdinfo
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