are they smoking real cigarettes in mad men got the issue right after all What's Alan Watching?: Mad Men:

2010 [cited 26 Feb 2021]

Our goal in this study was to assess whether recent former smokers who had switched to e-cigarettes or another tobacco product were less likely to relapse to cigarette smoking compared to those who remained tobacco-free, said senior author Karen Messer, Ph.D., professor and chief of the Division of Biostatistics at the Herbert Wertheim School of Public Health

Some NRTs are available in the over-the-counter form (patch, lozenges, spray) whereas others require a doctors prescription

Especially the IQOS Iluma and IQOS Iluma One Kits

He was like some Native American MW Shaman

Heat-Seal Film: The Sealing Powerhouse in Tobacco Packaging Heat-seal film, which achieves a tight seal through heat-sealing technology, plays a vital role in cigarette moisture-retaining liners