If your concern is cigarette smoke, prioritize carbon weight first, then CADR
The FDA stated: Following a rigorous science-based review through the premarket tobacco product application (PMTA) pathway, the agency determined that authorizing these products for the US market is appropriate for the protection of the public health because, among several key considerations, the products produce fewer or lower levels of some toxins than combustible cigarettes. However, the agency added: While todays action permits the tobacco products to be sold in the US, it does not mean these products are safe or FDA approved. It falls on harm reductionists to hammer home that HNB products are much safer than cigarettesas the FDA grudgingly acknowledged with its appropriate for the protection of the public health comment
How Can GS Hospital Help Smokers?: GS Hospital offers comprehensive care for patients affected by smoking-related conditions
Hubei Province [edit] In 2009, the authorities of Gongan County attempted to increase consumption of locally produced cigarettes, by demanding that local officials smoke up to 23,000 packs of Hubei-branded cigarettes per year
Plant biologist Firn points out several other qualities of the milder N.tabacum which made it a good choice for growing: "it is a remarkably adaptable species