There may be a fundamental link between aspects of an individual's personality and their capacity to exercise or generate energy, recent research suggests.



Humans are not the only animals that choose to exercise and - as with people - individuals within the same species differ in their levels of activity, says Dr Peter Biro, a senior lecturer in the UNSW Evolution and Ecology Research Centre, in a review article in the journal Trends in Ecology and Evolution, with colleague Judy Stamps of the University of California, Davis. Dr Biro is an Australian Research Council Future Fellow.



Likewise, scientists now recognise that many animals have 'personality', in that they display consistent differences in behaviours. Dr Biro believes it is significant that those behaviours often relate to the rates at which they acquire and expend energy through feeding or activity.



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