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Consuming seven extra calories daily will slowly build up and put inches on waistline. Dr Giles Yeo, a Cambridge University geneticist who has worked on BBC programmes including Trust Me, I’m A Doctor and Horizon, says the problem worsens in middle age when our bodies tend to slow down. A single portion of tomato ketchup is enough to put on weight especially in middle age
However, as we get older, the rate at which the body burns energy tends to slow, meaning those additional seven calories a day pile up faster. The inevitable result, unless we reduce our food intake or do more exercise, is putting on weight. Two-thirds of adults in Britain are now classed as overweight or obese, with older people more likely to fall into these categories. Avoiding processed foods and sticking with a high-protein or Mediterranean-style diet can help.
Limit food intake, frequently intake of foods,beverages and alcohol high in sugar or high-fructose corn syrup may cause belly fat gain. Trans fats increase inflammation that may increase the risk of insulin resistance and the accumulation of belly fat. Sedentary lifestyle, imbalance of gut bacteria may cause weight gain and waistline. Extreme ‘crash’ diets might help people to shed a lot of weight in the short term but ‘will never work in the long term.