New research shows that pausing for just 25 seconds before buying a chocolate bar can be enough to stave off the craving in favor of a more healthy snack.
A trial using vending machines in the US found that having to wait for sugary treats made them less desirable.
Scientists installed countdown timers on the machines, forcing customers who had ordered chocolate or other unhealthy products to wait 25 seconds before the items became available.
Full report here.