Tag: Countries

According to the National Institutes of Health, approximately 68% of the world's population has lactose malabsorption, meaning their ability to digest milk sugar is reduced after infancy. This ability, known as lactase persistence, varies dramatically by country and population, influencing dietary habits and health. Understanding which country people can't digest milk reveals a fascinating story of human genetic evolution and cultural adaptation.

According to research, the Celsius scale is the official temperature standard for the vast majority of countries around the world, encompassing over 190 nations. This widespread adoption is largely due to its integration with the metric system, which is the global standard for weights and measures. While many use Celsius, some countries, most notably the United States, still rely on the Fahrenheit scale for everyday temperature readings.

According to UNICEF, nearly 90% of the global population consumes salt that contains iodine, demonstrating a widespread international effort to combat iodine deficiency. This public health achievement reflects decades of collaborative work by governments, health organizations, and industries to fortify a common dietary staple and protect cognitive and physical development.

While water is the most consumed drink globally, understanding who drinks the most water in the world is complex, varying significantly based on total volume versus per capita usage. Statistics show that highly populated nations like China and India use the largest total volumes, while smaller, developed countries often top the list for per capita consumption.