Which of the following is NOT component of cigarettes?

Which of the following has been reported as a result of marijuana use?  

Which of the following has been reported as a result of marijuana use?

Which of the following is sourced from plants such as Jimson weed, deadly nightshade, and mandrake?

Nicotine is eliminated from the body primarily through ___________.

____________________ is a long term complication to smoking that is associated with the enlargement and destruction of alveoli in the lungs resulting in an inability to expire (breath out) expended air.

Endorphins are thought to be involved with which of the following functions?

The major organ(s) responsible for metabolizing most drugs is (are) the __________.

Which of the following is an anesthetic hallucinogen?

A difference between LSD and MDMA is that __________.