from 痛みの定義 痛みは感情だ Pain is an emotion. https://read.amazon.com/kp/kshare?asin=B00YLQWB9M&id=6XkTK9quQBiMUyQ6rCy2wg&reshareId=PWYF6V1MF55ZE2HS0YRJ&reshareChannel=system pain receptors send messages to t