This is what happens to your penis when you smoke marijuana

Small amounts of marijuana can increase the libido, magnify thoughts and boost imagination.

Because cannabis affects dopamine levels in the brain it can make you feel euphoric or high, relaxed or provide pain relief.

But long-term abuse is likely to cause sexual problems like erectile dysfunction and not being able to orgasm.

A study of daily pot smokers found the drug can decrease both the quantity and quality of erections.

... read more at: http://www.dailystar.co.uk/love-sex/523172/What-happens-penis-smoke-cannabis-marijuana-weed-sex