Dr Jean Adams, Centre for Diet & Activity Research, University of Cambridge
Since October last year, by law, large retailers in England have been charging customers 5p (€0.06) for ‘single-use plastic carrier bags’ – those flimsy plastic bags you get from supermarkets to carry your groceries home. The money raised is donated by retailers to ‘good causes’. In the first six months of the scheme, plastic bag use by major supermarkets decreased by more than 90% (that’s 7bn fewer bags!) and more than £29m (€32m) was donated to good causes. It’s hard not to conclude that a small financial disincentive can have a big impact on our behaviour.
Rik Crutzen, Maastricht University, The Netherlands
Nowadays, people use the Internet all the time and for a wide range of activities: from buying groceries to showing a funny cat-picture to a friend on the other side of the world. It is all possible. Also, the Internet is used more and more within the domain of health – often referred to as e-health. (more…)
By Benjamin Gardner, King’s College London
What is a ‘habit’?
Why do we eat popcorn while watching movies? The answer, for most, is that eating popcorn is a habitual response to watching movies. Psychologists define ‘habitual’ behaviours as actions that happen automatically, due to learned associations between situations (the movie theatre) and our responses to them (eating popcorn).