People can be educated about the importance of eating sensible serving sizes - but their self-control will fly out the window the moment they are given a bulging plate of food.
In this excerpt from the SBS series, Food Investigators, Dr Paul Harrison from Deakin University discusses with host Renee Lim how supermarket management use a sophisticated understanding of psychology and sociology to manipulate the supermarket environment to persuade us to enter, stay and buy. For more information go to www.sbs.com.au/foodinvestigators and www.tribalinsight.com
A study by Science/AAAS shows that rats preferred freeing caged rats rather than eating food placed in the cage, suggesting that the rats show empathy, a trait only previously known to primates.