We don’t have to take a photo of tooth decay pictures

By The Associated PressThe world’s population is expected to increase by 6 billion people by 2050.A third of that increase will be in China, where more than half the population will be living in cities.China’s population will reach more than 7 billion by 2060, according to an estimate by the United Nations.By 2050, China’s population could hit more than 12 […]

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