- This is why you get nipple erections
- Why do nipples become hard?
- I'm Not Cold, So Why Are My Nipples Hard?
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Women with Hard Nipples!!! willkon59; 7 videos; 28, views; Last updated on Jun 4, Play all. Share. Loading Save.
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Why do nipples become hard?
It can happen out of nowhere. There you are, standing in the checkout line at a grocery store, when all of a sudden your nipples become erect. Random nipple hardness is totally normal from time to time.
I'm Not Cold, So Why Are My Nipples Hard?
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Nipples are weird and wonderful things; they go hard when you're turned on and stick out like sore thumbs when you're cold - and sometimes, just go hard for no apparent reason. According to the journal of Nature Neuroscience, hard nipples are normally involuntary and are controlled by the sympathetic nervous system, which also coordinates and regulates all our other unconscious bodily functions. The study's co-author Alessando Furlan explained: "We've shown that the sympathetic system consists of many types of neuron that regulate specific functions in the body.