It is useful to provide energy supply to muscles
The sheer weight of evidence demonstrating smokings lethal impact on people with mental illness seems powerless against entrenched institutionalised attitudes
In 1998, for example, the prevalence of current smoking was 22.8% (95% CI 21.7, 23.9) among participants 5564, 14.99% (95% CI 13.7, 16.3) in participants aged 6574, 7.79% (95% CI 7.05, 8.54) in participants aged 7584, and 2.78% (95% CI 2.03, 3.53) in participants aged 85+
Smoking was also higher among Americans who identify as gay, lesbian or bisexual
Drinking culture could change as it's more integrated into regular society, and therefore not seen as something you must get your hands on and guzzle