Nipple hardening is a common bodily response that serves an important evolutionary purpose. However, it is stigmatized in different cultures and time periods. This article explains why nipple hardening occurs, what it means, and how to handle it.
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Nipple hardening is a common bodily response that serves an important evolutionary purpose. However, it is stigmatized in different cultures and time periods. This article explains why nipple hardening occurs, what it means, and how to handle it.