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10.4178/epih.e2017009 27

Gallery Guildhall, Chicago

Tachyphylaxis is the medical term for when a medication becomes less effective over time

Many decades ago, the public understood correctly that smokeless tobacco was less harmful than cigarettes

The volatile gas is used to refill lighters, but it's also popular with often-illegal cannabis concentrate makers who spray butane into cylinders packed with marijuana to extract butane hash oil, the core of concentrated cannabis products that can pack potent highs when smoked, vaped or eaten

The goal is to help patients with personal growth and set them up for a life free from drugs and alcohol