Joints vs Pot Vaporizers?

MAPS/NORML Studies

Study Shows Vaporizers Reduce Toxins in Marijuana Smoke

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“…The vaporizer emitted THC at a recorded temperature of 392 F (200C) while totally taking away three harmful elements – benzene, a cancer causing agent, plus  naphthalene and toluene. Temperatures of about 200 C. present themselves as the  most effective  for vaporization.

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The strength of the cannabis in the study was in the order of 10% – 12%. Measureable amounts of THC (around 5%-6%) commence  to be released at 180 C., with a little more (7% or 8%) when 200 C is reached.
Smoke tars and carbon monoxide were both largely reduced by the use of a vaporizer…”