Study: Nicotine builds, doesn't spike, in brain while smoking

March 9, 2010

USA Today

WASHINGTON (AP) — Nicotine builds up gradually in smokers' brains rather than spiking after each puff, according to a study that might help point to new ways to help people quit smoking.

Dr. Jed E. Rose of Duke University reports in Monday's online edition of Proceedings of the National Academy of Sciences that nicotine buildup in the brain was gradual over several minutes... read more