Lower socioeconomic groups in developed countries have a higher frequency of risk factors, a greater incidence of illness, and a higher death rate
As summarized by Eric Lindblom here, the marketing restrictions that the FDA has placed on Vuse Solo still allow promotion by social media influencers and celebrities, sponsorships (which are prohibited for cigarettes and smokeless tobacco), and advertising on TV and radio programs for which youth are no more that 15% of the audience

A Ukrainian officer holds his flag as he smokes a cigarette before pro-Russia militia.Getty ImagesA soldier of the Field Artillery Division of the Afghan National Army (ANA) smokes a cigarette during a training session of ANA soldiers at the US Shinwar Forward Base in the province of Nangarhar.Getty ImagesTwo Isreali soldiers playfully fight for the last cigarette in their packet.Getty ImagesArmy veteran Brad Schwarz (L), with his service dog Panzer, chats with Marine Corps veteran James Dahan while they smoke cigarettes outside Wrigley Field during a Chicago Cubs game.Getty ImagesPart 16th BC French unit soldiers play poker as they wait for their plane to France on September 29, 2012 at KAIA airport in Kabul.Getty ImagesFeatured Weekly Ad
If you smoke cigars, you have a four to 10 times higher risk of dying from oral, esophageal or laryngeal cancer than non-smokers
The kidneys then expel cotinine out of the body as urine
Again, smoking associated with higher total ILC and ILC3 frequencies in the asthmatic airway (Supplementary Fig