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Itching ... scratching ... pleasant feel...

Externet
in Anatomy, Physiology and Neuroscience

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Hi.

Itching is not a painful sensation, as pinching, or piercing, or a burn...

 

Scratching provides relief, and pleasure. If some of you have had serious/intense skin complications; will understand scratching can get pleasant to extremes.

 

What goes on with the causes of itching ? Not only related to insect bites, but the sporadic skin manifestation, either by a recognizable presence of a microbe or none.

 

How come scratching provides pleasure? :confused:

 

An 'evolutionary' thought of scratching providing dissemination of microorganisms under fingernails... is that real ? Let me say it different... Do itching causers provide chemical pleasure to bearers so scratching promotes dissemination ?

 

Would an analysis of material under the fingernails show spores or something that proves scratching is a transmission method of itching causing microorganisms ?

 

Sorry about my poor English :-(

 

Miguel

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