FIRST there was passive smoking. Now there’s “passive overeating”. It could partly explain the explosion in obesity in richer countries, say two researchers who hope their work will jolt governments into taking action, such as banning junk-food ads aimed at children.
One of the reasons people are getting fat is not because they are eating too much but because the food they eat is too rich, suggests Andrew Prentice of the International Nutrition Group at the London School of Hygiene and Tropical Medicine. We may taste the difference when we eat energy-rich food but our bodies do not take this…
