95% of the THC in the smoke is absorbed in about 2.5 seconds,

inhale, slight pause, exhale..

holding it for more than a few moments is basically pointless and BAD for your lungs
adh endo Reviewed by adh endo on . Inhaled Smoke? Does the THc absorb in the lungs, intantly, when the smoke enters or are you suppost to keep in the smoke? and for how long do you hold it in? Rating: 5