People who sleep less than 5 hours a night are more likely to get a cold than those who sleep 7 hours or more, regardless of weight or age.


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Share of population with access to sanitation,


Share of population with access to sanitation, 2015.

US: 100%
Australia: 100%
Saudi: 100%
Japan: 100%
Canada: 100%
Germany: 99%
UK: 99%
France: 99%
Turkey: 95%
Iran: 90%
Mexico: 85%
China: 77%
Russia: 72%
Indonesia: 61%
India: 40%
Nigeria: 29%
South Sudan: 7%

(World Bank)