Doctorate News
How hair colour can determine your pain threshold
In a new study, researchers have tried to investigate whether pale-skinned and red-haired people react differently to pain.
Researchers at Southampton University Hospital recruited redheaded volunteers aged over 30, anaesthetised them and gave them small electric shocks on the thigh.
Their reactions were then compared with a control group of men and women with brown or black hair.
The trial, which
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