noone ever agrees on this, take whatever you hear with...well you know, its the internet.
cold shots are better, it takes longer for dope to dissolve if its tar but its not that bad,
everyone sees people cooking in movies and show their friends, idk how this shit spreads.
heat wont destroy bacteria, if anything itl release more of it into your solution.
and no, heat will not destroy the alkaloids, the stuff you want, or not to a serious degree anyway.
thats my understanding of it, but like i said, it is the internet, and ive been wrong before
happy trails