rnch said:question for the "smokers" here:
what effect does grass usage have on ur erections?
I would think that it depends on the frequency of use. Frequent use of weed is notorious for boosting estrogen levels in males and even starting gynocomastia.
http://www.wwu.edu/chw/ask_the_doc/post/1-1000/0712.html
Be sure to read the doctor's response on this link and not just the student expert