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Humans have used
for medicine since prehistoric times. They are still used in
medicine. Scientists have now found that chimpanzees also seek out plants to heal
. Researchers in the UK conducted a
of chimpanzee
in the Budongo Central Forest in Uganda. The researchers tracked a
chimp with an injured hand looking for a
. The fern may have reduced the
in the ape's hand. Another chimpanzee with an
ate the bark of a cat-thorn tree. This may have helped to reduce the animal's
.
