MARIJUANA really does give you a headrush. In frequent cannabis users, blood flows faster through the arteries of the brain than in people who do not use the drug.
According to Jean Cadet of the National Institute on Drug Abuse in Baltimore, Maryland, the faster flow may be an attempt to compensate for a lack of oxygen in the brain caused by cannabis. He claims his findings could explain why the drug affects short-term memory.
Cadet measured blood flow in the brains of 54 frequent marijuana smokers using a method called transcranial Doppler sonography. Even in the group he describes…
