If obesity shortens one’s lifespan, why, over the last century, the increase in life expectancy occurred with an increase in obesity (i.e., ...

Because it’s nearly twice as dangerous to be underweight as it is to be overweight to mildly obese. Higher mortality in “normal weight” adults: should the BMI range for normal weight be redefined? (illustration below screen-grabbed from that article).The phenotype that allows a human to put on extra...

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