Select the correct statement from the once given below
Barbiturates when given to criminals make them tell the truth
Morphine is often given to persons, who have undergone surgery as a pain killer
Chewing tobacco lowers blood pressure and heart rate
Cocaine is given to patients after surgery as it stimulates recovery
Caffeine, cocaine and amphetamine are
Give scientific reasons : Sports often fall a victim to cocaine addiction.
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.
What does drug abuse mean?
What causes addiction towards drugs and alcohol?