mad men cigarettes recap: Don makes a surprising tobacco proposal in “The Runaways.” Mad Men' by the numbers:

Smoke carries a lot of particulates, and they can range in size, says Monica Kraft, professor of pulmonology and system chair for the Department of Medicine at the Icahn School of Medicine at Mount Sinai

Randolph said that menthol seemed to be more heavily advertised in predominantly black areas within the city

So how does the 600 puff capacity of the Elf Bar translate into cigarette stick equivalency

Vapes that use coils or pods with a high resistance (0.8+) are best for MTL vaping

In the North American definition, true HEPA means that a filter removes at least 99.97% of airborne particles of a 0.3-micron diameter in a single pass