When the Fresh Air1 detects smoke, the user receives an alert via email or phone with a report of the violation, which provides the evidence to enforce the no-smoking policies in your spaces.
The quick-and-dirty answer is the patriarchy
Tob Control 27:1017 Flanders WD, Lally CA, Zhu BP, Henley SJ, Thun MJ (2003) Lung cancer mortality in relation to age, duration of smoking, and daily cigarette consumption: results from Cancer Prevention Study II
If you have a lesion in your mouth that lasts for more than a week or two, you should see your dentist or doctor
It increases the risk of heart attack, stroke and cancer (lung and otherwise) and its the single largest cause of preventable death in the United States