Monkeys ‘learn to eat soil to cope with junk food’ BBCCambridge study finds monkeys ‘eat soil to cope with junk food’ BBCMonkeys eating soil to settle upset stomachs from junk food, says research Sky NewsGibraltar’s monkeys eat mud ‘to avoid upset stomachs from tourist junk food’ The GuardianMonkeys learn to self-medicate with soil to help them digest junk food University of Cambridge
