Its not any more [of] a safe natural wellness product than tobacco, which also comes from a plant. Vira Pravosud, an assistant research scientist at the San Francisco VA Medical Center who was not involved in the study, adds, We have this perception that cannabis smoking is healthier, is safer than tobacco smoking, which doesnt mean that its true, just because we dont know. Researchers arent sure of all the ways THC, the psychoactive compound in cannabis, interacts with the cardiovascular system, but emerging evidence shows it may elevate heart rate, raise blood pressure, and trigger inflammationall of which increase cardiovascular strain
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However, it is not entirely risk-free, so read this article to learn what current research says
Insect Physiol
'Smoking.' Encyclopaedia Britannica