Scratching an itch is so good, and so bad
The motion kicks off inflammation but may also combat harmful bacteria

Scratching an itch feels so good, but it may make inflammation worse, a study of mice suggests.
FotoDuets/Getty
The motion kicks off inflammation but may also combat harmful bacteria
Scratching an itch feels so good, but it may make inflammation worse, a study of mice suggests.
FotoDuets/Getty