Water from Different Places — LOOKING AROUND ENVIRONMENTAL STUDIES STD 4 — Question

When one suffers from excessive diarrhoea-vomiting, one loses a lot of water from the body, i.e. the level of water in our body decreases a lot. This can be harmful to our body. To balance this decreased level one should drink a lot of water. Moreover, one should add a little salt and sugar to the water. One should also eat light food.