Which part of the opium poppy $(Papaver \text{ somniferum})$ is used to obtain opium?

If a regular dose of drug or alcohol is not provided to an addicted person,he shows some withdrawal symptoms. List any four such withdrawal symptoms.

From which plant parts are Bhang, Ganja, and Charas obtained?

The artificial drug used as a sedative and to reduce anxiety,which also induces sleep,is:

Which side effects are observed in females due to the use of anabolic steroids?

What type of chemical is nicotine?