A NUMBERS GAME

You can’t always count on calories

9.3 The number of hours per day humans would need to spend eating raw food to get enough calories to fuel our energyhungry brains, according to a study by the Federal University of Rio de Janeiro in Brazil

40 The percentage reduction in calories you absorb from a handful of almonds compared with what it says on the packet

32 The percentage by which people underestimate their true calorie intake when they self-report their diet, according to a report by The Behavioural Insights Team. Under-reporting of calories in surveys has increased over time, making calorie-consumption ever harder to study

23-27KG The amount of weight lost over a year by volunteers in a JAMA study who were asked to focus on food quality, not quantity, without counting calories