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His and hers: Male sex hormones control differences in mammary gland nerve growth
Scientists have found a surprising mechanism that gives male sex hormones like testosterone control over the gender-specific absence or presence of mammary gland nerves that sense the amount of milk available in breast milk ducts.
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Very interesting.
I
especially liked the jungle test in the fun tests.
- Dan Bierenga
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All fun and informative tests,
I shared them
with all my friends. Great way to better understand folks.
- Matthew McAvoy |
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