almost every chemical substance like sugar or cocain
Blood vessels in the brain of a cocaine user will narrow so that means the vessels contract.
There is no treatment for cocain
Cocain Romance was created in 1934.
No drug other than cocain should show up as cocain. If you are afraid of it showing up on a urine screening then don't do it.
Does crack cocain leave a residue
No.
no.
stimulants
yes
The egyptians.
stimulant