Add Yahoo as a preferred source to see more of our stories on Google. New guidance advising on portion size has been launched by the British Nutrition Foundation [Photo: Getty] Obesity has been ...

Add Yahoo as a preferred source to see more of our stories on Google. Healthy portion sizes are based on a 2,000 calorie diet, "but of course everybody needs different amounts of calories," Burak says ...

Share on Pinterest Knowing the difference between serving size and portion size can help keep you from overeating during the holidays. Getty Images Research shows the average person will gain 0.82 ...

Some of the healthiest foods are high in calories, so it's important to learn the correct serving sizes before you go overboard. Can't resist extra guacamole? Love to munch on spoonfuls of nut butter?

Obesity has been clocking up headlines recently. From whether it should be classed as a disease, to how to cut our children’s sugar intake, barely a day passes without some reference to tackling the ...