How do painkillers kill pain? It's about meeting the pain where it's at
Without the ability to feel pain, life is more dangerous. To avoid injury, pain tells us to use a hammer more gently, wait for the soup to cool or put on gloves in a snowball fight.
https://arstechnica.com/science/2022/07/how-do-painkillers-kill-pain-its-about-meeting-the-pain-where-its-at/