The immediate adverse effects of drugs and alcohol abuse are manifested(expressed) in the form of reckless behavior, vandalism and violence.

Excessive doses of drugs may lead to coma and death due to respiratory failure, heart failure or cerebral hemorrhage.

A combination of drugs or their intake along with alcohol generally results in overdosing and even deaths.

The most common warning signs of drug and alcohol abuse among youth include drop in academic performance, unexplained absence from school/college, lack of interest in personal hygiene, withdrawal, isolation, depression, fatigue, aggressive and rebellious behavior, deteriorating

relationships with family and friends, loss of interest in hobbies, change in sleeping and eating habits, fluctuations in weight, appetite etc.