Survey your neighbourhood to find:
(a) number of people suffered from acute diseases during last 3 months
(b) number of people developed chronic diseases during the same period
(c) total number of people suffering from chronic diseases in your neighbourhood
Now Answer:
Are the answers in (a) and (b) different? Why/Why not?
Are the answers in (b) and (c) different? Why/Why not?

What do you think would be the impact of these differences on general health of the population?