TrendingAdvertisementTerpenes, removed from marijuana during distillation, are often added back to e-liquids used for vape cartridges and other products for taste and smell. Photo by /PixabayNatural compounds added to marijuana-derived vaping liquid produce toxic chemicals in the vapor that users inhale, a new lab study reports.The compounds, known as terpenes, are added into pure THC distillations to dilute the product and provide the vapor with aroma and taste, said senior researcher Robert Strongin, a professor of organic chemistry at Portland State University in...…TrendingAdvertisementTerpenes, removed from marijuana during distillation, are often added back to e-liquids used for vape cartridges and other products for taste and smell. Photo by /PixabayNatural compounds added to marijuana-derived vaping liquid produce toxic chemicals in the vapor that users inhale, a new lab study reports.The compounds, known as terpenes, are added into pure THC distillations to dilute the product and provide the vapor with aroma and taste, said senior researcher Robert Strongin, a professor of organic chemistry at Portland State University in...WW…