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Teenagers often do crazy things. Once a
becomes a teenager, they take more
. Some of these are dangerous and lead to
, or worse. A study of
may explain risky behaviour in children. The study is from researchers in the USA. They studied over 100 chimpanzees in a
in Uganda. The chimps were between 2 and 65 years old. The
looked at how the animals moved through
. The youngest chimps did more
things, like letting go of
and letting themselves fall. Older chimps took
risks.
