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So, at least according to this one survey, fewer than one-fourth of the people using e-cigs used them as a smoking cessation tool, while over 10 percent were likely kids who had never smoked a cigarette in their lives

Make-Up Air Units (MUA) A MUA actively pulls in clean outside air while exhausting smoky air

Vaping may: damage the lungs release free radicals, which promote cancer development, into the body weaken the immune system delay brain development in fetuses, children, and teenagers Some people also report sustaining burns when recharging e-cigarettes due to defective batteries leading to explosions

Additionally, taking a large dose at once increases the overdose risk