Answers are grounded in this paper and cite their sources.
Plasma testosterone, FSH, and LH levels were obtained from 25 healthy consecutive heterosexual male mauijuana smoking university students. All values were within the range of normal and the means did not differ significantly from those of 13 normal controls. These data suggest that the casual marijuana smoker (at least one time weekly with an average of 5.1 joints per week) may have plasma testosterone levels which are normal for the time of day and the laboratory.
No takes yet. Share an insight, caveat, or question.
Paul Cushman (1975) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: