From which part is opium obtained?

Which part of the poppy plant is used to obtain the drug "Smack"?

Sedatives,tranquillisers,stimulants,and hallucinogens are psychotropic drugs that affect the:

Which of the following side effects is $NOT$ observed in males due to the excessive use of anabolic steroids?

Drugs like $LSD$, barbiturates, amphetamines, etc., are used as medicines to help patients with mental illness. However, excessive doses and abusive usage are harmful. Enumerate the major adverse effects of such drugs in humans.

Smack and Crack are produced from