11 Interesting Facts about Human Hormones

 The excretion of estrogen from contraceptive pills can cause high hormonal concentrations in rivers. A British Rivers study claims that these concentrations strongly correlate to the incidence and severity of intersex wild fish populations.

Losing large amounts of weight causes your body to secret more Ghrelin, the hormone that makes you hungry, so you end up gaining the weight back. Have gastric bypass, however, keeps the weight off because the amount of Ghrelin released is proportional to the overall size of your stomach.

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