Your Vape Could Be Illegal. As of January 2026, the Food and Drug Administration (FDA) has only authorized 39 e cigarette products. The remaining e cigarettes on the market are being sold illegally. These Secondhand smoke and aerosol 2nd Hand Vape Smoke Effects Chemicals Secondhand cigarette smoke is a combination of smoke from the burning end of a cigarette and the smoke breathed out by smokers. Exposure to secondhand smoke has been linked to cardiovascular disease, Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect