Secondhand Smoke

Cannabis smoke contains many of the same cancer-causing chemicals as tobacco smoke. Burning any plant material releases toxic chemicals and fine particles that can go deep into the lungs. In addition to cannabinoids like THC and CBD, secondhand cannabis smoke may include leftover pesticides, solvents, mold, heavy metals, and other chemicals from burning or combustion.

Good studies on the effects of secondhand cannabis smoke in humans are not yet available, but a recent study on rats found the impact on arteries to be comparable to tobacco smoke exposure, making it harder for arteries to expand and allow for healthy blood flow.

For more detailed information about cannabis and health, we recommend visiting “Learn About Cannabis WA.



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