brain damage from lack of oxygen will not happen from holding your hits in, unless you hold them in for 5 minutes, which you won't be doing. that's about how long it takes for brain cells to start dying from hypoxia
dziendobry4 Reviewed by dziendobry4 on . The holding hits debate, regarding VAPOR The holding hits debate has been ongoing for quite some time with both sides producing evidence in their support. As erb is very hard to find in my area, I would prefer to conserve as much as possible and have read certain NORML studies that say "as much as 40% of available THC is often exhaled." We all know smoke is harmful and should not be held in the lungs. However, vaporizers are much healthier on the lungs. Oxygen deprivation killing brain cells hardly sounds like a Rating: 5