This must be done after each use
The law technically took effect July 1, 2025, but the actual enforcement didn't begin until December 1, 2025
Specifically, after dust mite challenge, nicotine-containing e-cigarette aerosol reduced airway eosinophils, whereas nicotine-free aerosol did not [83]
Health.com: Common smoking triggers -- and how to fight them In the new study, published this week in the Annals of Internal Medicine, 568 adult smokers who were otherwise healthy wore a 21-milligram nicotine patch (Nicoderm CQ brand) for eight weeks
Today, it is commonly used to treat anxiety, restlessness, insomnia and various forms of pain
He's getting elderly, of course, but he ought to be above believing in warnings