In males,effects such as reduction in the size of testicles,decreased sperm production,and baldness are observed due to the use of.........

What is the effect of excessive consumption of alcohol along with drugs?

What are the most commonly abused substances among the youth?
$(i)$ Drugs $(ii)$ Alcohol $(iii)$ Soft drinks $(iv)$ Toddy

Do you think that friends can influence one to take alcohol or drugs? If yes,how may one protect himself or herself from such an influence?

When does withdrawal syndrome occur?

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.