Revealed! Why people put on weight as they grow older

weight loss

You may have seen your grandfather or grandmother putting on weight as they grow older. Despite doing all they can, their weight goes up. And mind it the reason is not that they eat more or consume spicy stuff or exercise less like that.

Scientists have now found why they fail to keep their weight in check. The study published in the journal Nature Medicine, found that lipid turnover in the fat tissue — the rate at which lipid or fat in the fat cells is removed — decreases during aging and makes it easier to gain weight.

The scientists came to conclusion while doing research in 54 men and women over an average period of 13 years at Karolinska Institutet in Sweden.

Those who didn’t compensate for that by eating fewer calories gained weight by an average of 20 per cent, according to the study done in collaboration with researchers at Uppsala University in Sweden and University of Lyon in France.

The researchers also examined lipid turnover in 41 women who underwent bariatric surgery, and how the lipid turnover rate affected their ability to keep the weight off four to seven years after surgery.

The result showed that only those who had a low rate before the surgery managed to increase their lipid turnover and maintain their weight loss.

The researchers believe these people may have had more room to increase their lipid turnover than those who already had a high-level pre-surgery.

“The results indicate for the first time that processes in our fat tissue regulate changes in body weight during aging in a way that is independent of other factors,” Peter Arner, a professor at the Karolinska Institutet was quoted by PTI.

“This could open up new ways to treat obesity,” Arner said.

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