Studies show that a metabolic difference that lowers blood sugar levels a few hours after eating makes some people hungrier than others.
Scientists have found that the “hungry” usually eat 312 calories a day and wait half an hour less between meals than the “full”, which leads to weight gain. This means that some people feel hungry all the time and struggle to lose weight.
A study conducted by universities, including King’s College London, tracked blood sugar levels, glucose tolerance, sleep, activity and hunger. Another study looked at blood sugar peaks about two hours after eating, but scientists found that some observed dips between two and four hours later.
People who ate the same food had significant differences in blood sugar levels, without any other correlations in the data, although men had stronger falls than women.
Scientists have concluded that the combination of your unique metabolism, food choice and activity level determines whether you will overeat. Professor Ana Valdez from
The University of Nottingham said:
“A few hundred extra calories every day means a few kilos of weight gain per year.”