Quote Originally Posted by Perp
An ion is just a molecule that has lost or gained an electron. THC is a molecule so it transfers from the smoke to your bloodstream instantaneously when you take a hit. Like others have said, within a couple of seconds the THC is absorbed. When you hold your tokes longer, pollutants (tar) remain in contact with your lung tissue for longer than necessary.
Thank god you've answered it finally. No ever belives me when i say this.