Biology · Human Health and Diseases · NEET
NCERT says the immediate adverse effects show up as reckless behaviour, vandalism and violence. So the first harm is on behaviour, not on organs. This is a common one-mark NEET line, so learn the exact three words: reckless behaviour, vandalism, violence.
An excessive dose can lead to coma and death because of respiratory failure, heart failure, or cerebral haemorrhage (bleeding in the brain). Taking a mix of drugs, or drugs together with alcohol, often causes overdosing and even death. NEET may ask which is NOT a cause of overdose death, so remember these exact three causes.
NCERT lists: drop in academic performance, unexplained absence from school or college, lack of interest in personal hygiene, withdrawal, isolation, depression, fatigue, and aggressive or rebellious behaviour. These are behaviour and social signs, not lab tests. Parents, teachers and friends are told to watch for them.
NCERT gives exactly five: (i) Avoid undue peer pressure, (ii) Education and counselling, (iii) Seeking help from parents and peers, (iv) Looking for danger signs, and (v) Seeking professional and medical help. Remember them in order because NEET can ask 'which is the correct step (iii)'.
People who take drugs intravenously (direct injection into a vein with a needle and syringe) are much more likely to get AIDS and Hepatitis B. The viruses spread by sharing infected needles and syringes. So the risk is not from the drug chemical itself but from the shared needle.
It includes highly qualified psychologists and psychiatrists, plus de-addiction and rehabilitation programmes. NCERT says with such help, plus enough effort and will power, an affected person can get rid of the problem completely and lead a normal, healthy life. So addiction is treatable.
Try the real previous-year questions from this chapter — each with the answer and a full solution.
Reckless behaviour, vandalism and violence. In excess, coma and death from respiratory failure, heart failure or cerebral haemorrhage.
Avoid undue peer pressure; education and counselling; seeking help from parents and peers; looking for danger signs; seeking professional and medical help.
AIDS and Hepatitis B, because the viruses pass through shared infected needles and syringes.
Yes. With psychologists, psychiatrists, and de-addiction and rehabilitation programmes, plus effort and will power, a person can fully recover.
Curiosity, need for adventure and excitement, and experimentation. Unstable or unsupportive family and peer pressure add to the risk.
