Doing the supermarket shop with a reusable bag might be good for the planet, but it might not be that great for your waistline. Studies now show that using an eco-friendly tote bag actually makes people more likely to reach for the sweet treats and sugary snacks they'd otherwise avoid.

Burger fads and 1,000-calorie ready meals hardly fit in with a society that’s increasingly obsessed with healthy eating. But while these polarising trends paint a schizophrenic food landscape, they show how indulgent foods express our freedoms. After all, no one likes to be told what to eat.

People who do a good deed in the morning are more likely to engage in unethical behaviour later that day. According to a study in Science magazine, this 'moral licensing' is easy to set into motion and can be triggered by the mere thought of doing something good.

From the NSA scandal to the ‘white lies’ people often tell themselves, the world seems riddled with more deceit than ever. We sat down with acclaimed behavioural economist Dan Ariely to learn more about the driving forces behind dishonesty.