From which plant is marijuana obtained?

The drug useful to increase cardiovascular effects in human beings is

Identify the drug molecule from the skeletal structure shown below.

Nayan's friend is consuming drugs. What should Nayan do?
$(i)$ Discuss with the friend's parents. $(ii)$ Bring the matter to the attention of the friend's teacher. $(iii)$ Advise him to stay away from alcohol and drugs. $(iv)$ Try to understand why he is consuming drugs and show empathy. $(v)$ Inform him about the physical harm caused by addiction. $(vi)$ Provide proper guidance and help him stay away from addiction.

Drugs which induce a dreamy state of consciousness are known as:

Select the incorrect statement regarding cannabinoids.