Scratching May Have an Evolutionary Purpose, But You Still Need to Resist the Urge
[html]Scratching can be beneficial, but learn more about how in most cases, the harm outweighs the benefit.[/html]
Source: Scratching May Have an Evolutionary Purpose, But You Still Need to Resist the Urge (http://ht**://www.discovermagazine.c**/health/scratching-may-have-an-evolutionary-purpose-but-you-still-need-to-resist-the)