Diacetylmorphine is.........

From which plant is cocaine obtained?

Cocaine is commonly called as $:-$

Which analgesic drug acts on the neurons of the brain?

Which medicine is not helpful for patients with mental illnesses like depression and insomnia?

Given below are two statements.
Statement $I$ - Consumption of narcotic analgesics,anabolic steroids and diuretics decreases muscle strength.
Statement $II$ - In females,the anabolic steroids may lead to masculinization and mood swings.
In the light of above statements,choose the most appropriate answer from the options given below.