Mention some behavioural changes seen in drug users.

Explanation

Behavioural Changes :
Adverse effects among adolescents are : (i) Drop in academic performance, absence from school or college.
(ii) Lack of interest in personal hygiene, isolation, depression, fatigue and aggressive behaviour.
(iii) Deteriorating relationship with family and friends.
(iv) Change in food and sleeping habits.
(v) Fluctuation in body weight and appetite.