There are numerous illnesses that result from a poor quality environment: respiratory diseases, infectious diseases, cancers, etc. For example, the number of people suffering from asthma and allergies in cities is on the increase. The lack of sanitation in certain regions causes numerous diseases, diarrhea and allergies which particularly affect children.
Water is an essential source of life. A person could live for about one month without eating, but only 5 to 7 days without drinking. In varying proportions, water forms part of the composition of all living things. 65% of an adult's body is made up of water, which plays an essential part in the body's survival, providing hydration and oxygenation, for example. To look after your health, you must look after the environment!