Indeed, smoking was considered a norm in sports culture, with many athletes using it to cope with stress or as a perceived performance enhancer
Today, if you see a product that uses castoreum as a flavoring agent, it is very likely a high-end artisanal product that is proud to let you know where its flavoring comes from
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We believe, however, that the effort is very worthwhile
However, there have been few studies on whether smokers are able to transition to e-cigarettesbattery-operated devices that heat a liquid made of nicotine, flavorings, and other chemicals to make an aerosol that users inhale into their lungswithout relapsing back to cigarette smoking
Subchronic Nose-Only Inhalation Study of Propylene Glycol in Sprague-Dawley Rats. Food and Chemical Toxicology , doi:10.3897/bdj.4.e7720.figure2f