It is implied that no smoking signage does not apply to e-cigarette use
In the late 1950s and 1960s, researchers and doctors began to sound the alarm: smoking kills
Professional treatment programs, like those at Bold Steps Behavioral Health, provide comprehensive support through detox, therapy, and structured care
Cigarette Sales Finally Stopped Decline In 2020, Tobacco Maker Reports (Forbes)
Some of the components, such as nicotine are naturally present in tobacco and some such as propylene glycol are added during manufacture
No one can say with absolute certainty, but statistically speaking we know that using dip or snuff can and does cause cancer, and we know that Gwynn used heavily