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| Cardiovascular Effects from Cannabis |
Studies have shown that
marijuana in humans can increase heart rate and blood pressure
moderately with first initial use. With regular use of cannabis these
initial cardiovascular effects rapidly go away. Regular exposure to
cannabis shows results of reduced blood pressure, reduced heart rate
and increased vasodilation.(Source)
Lowered heart rate and blood pressure is also seen in animals
studies with cannabis.(Source)
Cannabinoids affect a group
of lipids and receptors that control the endocannabinoid
system. Anandamide
is an endocannabinoid messenger molecule that helps control the heart
rate and blood pressure. One way it effects the cardiovascular
system is by vasodilation, or enlarging the blood vessels.
Vasodilation occurs from a relaxation of artery walls to allow a
larger volume of blood flow.(Source)
Dr.
Phillip Leveque leads a medical marijuana doctor group with over
100,000 patients. They have found the increase in heart
rate and blood pressure to be low and tolerable. In their group they
have no reports of dangerous clinical hypertension. For his personal
patients they average an age of 48 and have a lower percentile of
hypertension than most people of that age not using
marijuana.(Source)
The first use of cannabis has shown to be safe for patients but still
advised to be recommended by a doctor.(Source)
Source:
http://www.salem-news.com/articles/march142010/hypension-mmj.php
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