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Originally Posted by wattever
weed is known to cause stress and anxiousness in alot of people. This may lead to vomiting. Did you know it raises your blood pressure? It also causes a raise in heart rate sometimes. of course everyone reacts differently to each chemical so people and strains may differ.
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Weed actually lowers your blood pressure, unless you start to freak out but thats not the weed in that case.
Myth: Pot causes high blood pressure
According to the NAS, the effects of marijuana on blood pressure are complex, depending on dose, administration, and posture.
(7) Marijuana often produces a temporary,
moderate increase in blood pressure immediately after ingestion; however, heavy chronic doses may slightly depress blood pressure instead. One common reaction is to cause decreased blood pressure while standing and increased blood pressure while lying down, causing people to faint if they stand up too quickly. There is no evidence that pot use causes persisting hypertension or heart disease; some users even claim that it helps them control hypertension by reducing stress. One thing THC does do is to increase pulse rates for about an hour. This is not generally harmful, since exercise does the same thing, but it may cause problems to people with pre-existing heart disease. Chronic users may develop a tolerance to this and other cardiovascular reactions.
from
http://paranoia.lycaeum.org/marijuan...gy.html#myth15