to eat a 1/4 of purple haze

[Ganja Dude]

are you kidding? more THC becomes active when its heated, as well as other chemicals.

Yep. Although you can reach a temperature where the THC is less if you heat the weed correctly then there is much more THC active. I was actually looking up the heat for my friends volcano vaporizer earlier and it said turn the knob to 5 (180°C).