Studies related to Heart Rate and Marijuana

Acute Effects Of Marihuana Smoking On Maximal Exercise Performance

Effect Increase
Trial Design Cohort
Trial Length 1-7 Days
Number of Subjects 12
Sex Both Genders
Age Range 18-29
Body Types Average
Notes for this study:
In healthy nonsmoking adults who inhaled marijuana (7mg/kg bodyweight of a product that was 1.7% THC) and then cycled until failure, the marijuana group cycled for 15.1+/-3.3m relative to control's 16.1+/-4.0 (6.2% reduction) despite VO2 max not being affected.

This study did not utilize a blinding procedure, instead having a no smoking control, and a 26% increase in heart rate was noted before exercise (this increase in heart rate persisted up until 80% of maximum effort, but at 90-100% maximum effort during exercise both groups were similar).

Blood pressure during exercise was lower with marijuana relative to control, and FEV1 was increased with marijuana.

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