Many medical marijuana patients may choose to vaporize due to the fact it is less harsh on the lungs and it does not release toxins through combustions. Using a vaporizer may not be so simple, however, and there are many factors that play a role in what benefits a patient will experience. One of these factors is temperature. A recent study recommends setting the vaporizer to 210° C or 410° F. Dr. Arno Hazekamp, the head of research at Bedrocan BV in the Netherlands who studies medical cannabis, says, "In general, I would say 210°C is the best balance between efficient evaporation of terpenes and cannabinoids and smoothness of the vapor."
With lower temperatures, a patient will inhale mostly terpenes, as cannabinoids won't evaporate at low temperatures, and studies show higher temperatures yield more cannabinoids. For example, in one experiment, a vaporizer was set to 170°C (338°F), and only yielded 24% of cannabinoids. When this same vaporizer was set to 230°C (446°F), it yielded 77% of cannabinoids. If the vaporizer temperature is set too high, however, the cannabis may burn and the smoke becomes harsher, producing the same toxins that occur when smoking. The boiling points of CBD and THC are relatively similar, so setting the vaporizer to feel the effects of one cannabinoid and not the other is very difficult. In order to consume more of a certain cannabinoid, one should look at the percentages of cannabinoids found in the cannabis when purchasing the medication.
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