Cannabis has been found to lower blood pressure and reduce the risk of hypertension-induced heart diseases. A 2013 study published by the Journal of Biochemical Pharmacology was conducted to determine what effects small amounts of THC have on heart protection. Researchers administered THC to mice, then stimulated a heart attack by restricting their blood flow. After the blood flow restriction, doctors treated the mice with small amounts of THC (four times lower than the regular intoxicating dose) two hours prior to heart attack, 48 hours prior, and three weeks prior to continuous treatment. The study also shows that a single ultra-low dose of THC before insufficient blood flow to the heart is a safe and effective treatment that can reduce heart attack damage.
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