Quote from : A History of the World in 6 Glasses Book

Illness and death are not the only consequences of the lack of access to water; it also hinders education and economic development. Widespread illness makes countries less productive, more dependent on outside aid, and less able to lift themselves out of poverty. According to the United Nations, one of the main reasons girls do not go to school in sub-Saharan Africa is that they have to spend so much time fetching water from distant wells and carrying it home.