Starchy foods more filling than fiber, lab tests suggest
Moving away from grass-heavy ancestral diets may not be the reason for obesity epidemic
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/05/ts_baboons_free.jpg?fit=860%2C460&ssl=1)
GRASSY DIET Gelada baboons have a grass-based diet like that eaten by some human ancestors. But tests of gut microbes from the baboons and from humans suggest that a fiber-filled diet produces fewer appetite-curbing hormones than a potato-based one.
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