'Imaginary fear' created by games online can leave damaging impact on children

Researchers warn children who play on digital devices experience a chemical reaction in their bodies that causes them to get hyped up.

This "imaginary fear" makes their bodies react like it is a real physical fear and "energy is sent to the muscles", according to a report by the Daily Mail.

Scientist said the reaction is similar to someone preparing to "run away from a lion". However, the energy will not be used as children will stay seated.
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