Can’t get numb at the Dentist?

Written By C.J. Henley
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 Some people are resistant to local anaesthetic, meaning they must endure dental and medical procedures without such pain relief. And we’re only beginning to understand why.

 http://www.bbc.com/future/story/20170106-the-people-who-cant-go-numb-at-the-dentists

C.J. Henley https://www.henleyandkelly.com
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