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A: Users may be inhaling harmful and potentially harmful substances

Heres a simple breakdown of the most common weed smoking filters and what each one does

Banta, PhD, MPH, associate professor at the School of Public Health, Michael Jerrett, PhD, professor and chair of environmental health at UCLA, and Sudipto Banerjee, PhD, professor and chair of biostatistics at UCLA

Great article Doc

Travel with clearly labeled tins, a realistic amount, and no expectation of using them on the plane unless the airline has made that explicitly acceptable

Initial use was religious, as wine is an essential part of the liturgy, which then became a pleasant habit for many others