Tobacco contains ........... which raise blood pressure and increase heart rate.

Which organ is most affected by the consumption of alcohol?

What is heroin?

Which of the following are useful suggestions for the prevention and control of alcohol and drug abuse during adolescence?
$(1)$ Avoid undue peer pressure
$(2)$ Seeking professional and medical help
$(3)$ Looking for danger signs
$(4)$ Education and counselling
$(5)$ Seeking help from parents and peers

Liver cirrhosis is caused by the long-term consumption of:

$A$ psychological and emotional need of a drug-using person is known as: