Since the start of COVID-19 doctors are seeing fewer lung cancer diagnoses because people who are at high risk for lung cancer are putting off their screening tests and some are putting off preventive health services during the pandemic both of which may ultimately lead to a diagnosis of more advanced lung cancer
Lastly, e-cigarettes leave only a mild odour and can be smoked discretely indoors
(I'm just guessing here...) so just see what you can find
Age- and sex-adjusted past-year prevalence of 3 SUDs ranged from 16.4% (95% CI = 14.318.6%) among adults with cannabis use disorder, to 32.444.7% (95% CIs=29.151.3%) among those with opioid use disorder or prescription stimulant or tranquilizer/sedative use disorder, and up to 48.272.0% (95% CIs=39.481.7%) among those with methamphetamine, cocaine, or hallucinogen use disorder
European Sociological Review 25 (4): 399410
According to this study, skin biological age improved quickly within 3 months, and the improvement was maintained for 9 months