question_answer

                                                           

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 on humans.

Or

What is the mechanism by which AIDS virus causes deficiency of immune system of the infected person?

Answer:

The major adverse effects of such drugs on humans can be classified into two categories

Immediate Effects

(i) Reckless behaviour, vandalism and violence, respiratory and heart failure, cerebral haemorrhage due to excessive doses of drugs may lead to coma and death.

(ii) Aggressive and rebellious behaviour, depression, fatigue withdrawal and isolation.

(iii) Deteriorating relationships with family and friends.

(iv) Changes in sleeping pattern, fluctuation in weight, appetite and lack of personal hygiene.

(v) Drop in academic performance of students, absence from school/college and loss of interest in hobbies.

Far - Reaching implications

(i) Habit of stealing on not getting money to buy drugs, alcohol, etc.

(ii) Mental and financial distress to not just the addict but to his/her entire family and friends.

(iii) Alcohol use in adolescence may lead to heavy drinking in adulthood.

(iv) Chronic use damages nervous system and causes liver cirrhosis.

(v) Higher risk of infections likes AIDS and hepatitis - B, transferred through sharing of infected needle and syringes or sexual contact.

Or

Mechanism by which AIDS virus causes immune deficiency is as follows