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Or worst of all, it could be a deadly concoction of chemicals, often a product of China, known as synthetic drugs. 6 The most popular vaped synthetics are the so-called legal weeds, Supervisory Special Agent John Scherbenske of the US Drug Enforcement Administration tells CNN, like K2 and Spice, synthetic drugs that mimic other drugs and pose dangerous side effects

Only part of this increase can be accounted for by the expansion of the population

However an increase in viral yields alone seems too simplistic to explain the association of serious disease with smoking

Kim et al., 2017)

This includes fine, ultrafine, and nanoparticles (particulate matter or PM)

A slower, cooler burn can help flavors remain smooth and consistent, while a cigar that burns too hot may taste bitter or harsh