Studies on obesity expose significant secrets

Researchers in Denmark have found a link between obesity and fertility. The scientists acquired data from the Danish National Birth Cohort and studied the history of 47,835 Danish couples from 1996 to 2002. They conducted extensive interviews over a period of 2 years and collected information about the couples. In 1.4 per cent of the couples, both the man and the woman were overweight. After closely studying the couples, they found that the sub-fertility period of these couples was likely to be nearly 3 times more than normal weight couples. The delay was likely to be higher in the case of an obese woman and an underweight man. They found that every 1 kg gained, added an extra 2.84 days to the waiting period and a loss of every 1 kg cut down the wait by an average on 5.5 days. More studies need to be conducted to figure out if there is a common cause for the obesity and sub-fertility.

Meanwhile, researchers at the Joslin Diabetes Center in USA have determined how a specific type of fat prevents diabetes and obesity. The researchers examined two genetic strains of mice – the B6 mouse and the 129 mouse, taking into account their basal energy expenditure, metabolic syndrome and their likelihood of developing obesity. The 129 mouse has a tendency to gain 40-50 per cent less weight as compared to the B6 mouse. The mice were also found to have higher basal energy expenditure due to clusters of brown fat cells in certain muscles. The 129 mouse had over 100 times more brown fat than the B6 mouse. Studies need to be conducted to see if brown fat cells in humans can provide the same type of protection and accordingly new drugs can be manufactured to motivate activity of these fat cells.

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