Does marijuana produce serotonin?

My girlfriend tells me she uses marijuana to calm herself if she is having a stressful day. She has been doing this for many years. She says smoking pot is like self-medicating — it is better than using anti-depressants. She also claims smoking pot helps with depression because of how it helps produce serotonin in the body. What is serotonin and how does it help depression? Does smoking pot really help with managing your anxiety, depression, etc.?


How can I tell my nosy roommate to step off?

I'm a junior in college and I live in a suite with five other girls. We are all best friends, except for one girl. None of us like her because she says anything that pops into her head (she told one of my suitemates, who is battling an eating disorder, that she looked pregnant), and she is constantly trying to find out gossip about us. After a night of fun, she will come into all of our rooms, and pump us for info (she hasn't gone out with us yet this year). She thrives on knowing gossip about anyone and everyone. My question is: how can we tell her to mind her own business and shut her mouth? Also: how can we tell her that we don't want her to live with us next year? Thanks for your help!


Are other drinks besides water still hydrating?

I frequently hear that beverages with caffeine or alcohol are not good for replenishing fluids and preventing dehydration. But in reality aren't they just a bit less effective at hydrating your body than other beverages? In other words, if you were stuck in the desert with nothing to drink but beer, coffee and cola, would you actually be worse off and die of thirst sooner if you drank these beverages versus not drinking anything at all?


How long should I wait to use Viagra after using poppers?

I know that it is extremely dangerous to mix viagra (or other ED drugs) and poppers (amyl nitrate), and that one should wait for 24 hours after using viagra (to let it get out of your system) before using poppers. My question is what is the waiting period after using poppers before it is safe to use viagra? In other words, how long before the physiological effects of poppers wear off?