Despite the saying “happiness is having a scratch for every itch,” itching often makes the itchy skin condition worse. So why is the instinct so strong? In a study with mice, researchers from the ...

When you've got an itch, your first instinct is to scratch it, bringing instant relief. However, any relief from scratching is short-lived. In fact, scratching can actually make the problem worse. An ...

PITTSBURGH — When you feel that irresistible urge to scratch an itch, you’re activating an evolutionary defense system. New research from the University of Pittsburgh reveals a fascinating paradox: ...