Scratching: The Evolutionary Habit with Hidden Benefits

Scratching: The Evolutionary Habit with Hidden Benefits

Itching, or the sensation that prompts us to scratch, serves an evolutionary purpose as an ancient ‌alert system. This sensation likely evolved to warn us of potential dangers such as parasites, irritants, and ​harmful plants. Scratching, in response ​to itching, is a reflex that helps us physically​ remove these threats, thereby protecting us from‌ infection … Read more