(i)Mr. Roy displayed values about general health and physical fitness of the students. He was particularly concerned about the serious issue of diabetes and depression in students
(ii) As a student you can spread awareness about the bad effects of these two diseases on the general health of the students by conducting seminars, group discussions, holding health workshops for students as well as parents and by writing articles in school magazines and newspapers. You may also request the principal of the school to invite some renowned medical practitioner of the town to deliver a talk on the causes of diabetes and depression in students and their treatment/cure
(iii)Drugs which are used for treatment of stress, fatigue, mild and severe mental diseases are called tranquillizers. For example, quail, barbiturates such as veronal, luminal, etc. and the alkaloid reserpine.
(iv) Aspartame in a widely used artificial sweetener. Its use is, however, limited to cold foods and drinks because it decomposes at cooking temperature