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How Is Your Phone Changing You?

Key Facts In This Video

  1. Roughly 6 billion people on Earth own a cell phone. Only 4.5 billion have access to a working toilet. 00:00

  2. In the 1970s, about 25% of the U.S. population had myopia. Today, nearly half do. 00:21

  3. The blue light emitted by your smartphone's screen can alter your circadian rhythms, diminishing the time spent in deep sleep. 01:57