Photo Credit: Kobi Gideon / FLASH90
Cannabis plant on view at the Knesset, Nov 24, 2009

Medical cannabis may reduce blood pressure in older adults, a new discovery by researchers from Ben-Gurion University of the Negev (BGU) and its affiliated Soroka University Medical Center shows.

The study is the first of its kind to focus on the effect of cannabis on blood pressure, heart rate, and metabolic parameters in adults aged 60 and above with hypertension.


“Older adults are the fastest-growing group of medical cannabis users, yet evidence on cardiovascular safety for this population is scarce,” said Dr. Ran Abuhasira of the BGU Faculty of Health Sciences, and the BGU-Soroka Cannabis Clinical Research Institute.

“This study is part of our ongoing effort to provide clinical research on the actual physiological effects of cannabis over time,” he explained.

Patients were evaluated using 24-hour ambulatory blood pressure monitoring, ECG, blood tests, and body measurements, both before and three months after initiating cannabis therapy.

Researchers found a significant reduction in 24-hour systolic and diastolic blood pressure values, with the lowest point occurring three hours after ingesting cannabis either orally via oil extracts or by smoking.

Patients showed reductions in blood pressure in both daytime and nighttime, with more significant changes at night.

The BGU researchers theorize that the relief from pain, the indication for prescription cannabis in most patients, may also have contributed to a reduction in blood pressure.

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