sciencedaily : declared in Females no longer neglected in obesity research: Scientists revise the typical use of male rats and point to sex-differences that can drastically change how we approach obesity and the related health

The scientists also show that their rat model can give insight into the phenomenon of weight regain after weight loss. Formerly, different strains of rats were used in obesity research: a strain that was known for its leanness, and a strain known to become obese. In other words, keeping a reduced weight for a longer time makes one regain weight quicker once one starts to relapse to old and even higher weight, in males. Giles research team collected data of more than 300 animals to find the optimal time point to identify early in life an animal's predisposition to become obese. The work discusses how the common neglect of sex differences can make the prediction and treatment of long-term obesity in females very difficult.

Poverty harms health more than obesity or alcohol

Being poor is a bigger health risk than being fat or having high blood pressure, a major study has concluded. The study is the first to compare the impact of low socioeconomic status on health with other major risk factors. Politicians are being urged to take low socioeconomic status into account when forming health policies after a study of 1.7 million people found that it was a big risk factor for ill health and early death. Poorer people's life expectancy was reduced by 2.1 years, greater than the reductions associated with high blood pressure, obesity and high alcohol consumption, of 1.6, 0.7 and 0.5 years respectively. Being inactive reduced life expectancy by 2.4 years, and opioid and diabetes by 4.8 and 3.9 years.


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collected by :Lucy William

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