A hormone in your liver might be to blame for your sweet tooth

A certain hormone secreted by the liver after consumption of sweet foods may be regulating our candy cravings, according to new research. Scientists first discovered the role of the hormone FGF21 in sweets consumption in rodents; their results later held up among primates, and now, humans. In this study, researchers collected self-reported dietary intake and […]

Faster metabolism accounts for the size of human brains

Humans evolved large brains thanks to an increased metabolic rate, suggests new research. Authors of a new study say that humans evolved a higher body fat percentage than other primates in order to provide the energy required to fuel this increased metabolism. The team took direct measurements of the daily energy expenditure from 141 people and […]

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