The nerve of it: scientists discover cells that cause hard nipples

The nerve of it: scientists discover cells that cause hard nipples

The nerve of it: scientists discover cells that cause hard nipples 150 150 icnagency

By: Ian Sample Science editor | The nerve of it: scientists discover cells that cause hard nipples | Neuroscience | The Guardian

Researchers mapping eight types of nerve cells that ferry messages around the body in ‘fight or flight’ mode identify particular types causing erect nipples and goosebumps

An investigation into the biological machinery that underpins involuntary responses in the body has led scientists to a distinct type of nerve that makes nipples go hard.

Swedish researchers made the discovery while mapping out the various nerve cells that ferry messages around the body in times of emotional distress, such as when the “fight or flight” reaction takes hold and prepares us for imminent danger.

Related: Sleep ‘resets’ brain connections crucial for memory and learning, study reveals

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