Each nociceptor is designed to activate its nerve if it detects a danger signal ... the place in your body that is hurting and determine how intense the pain is. Your brain knows that a pain signal is ...
Susie Wyss used to inject herself daily with a medication for multiple sclerosis. “The injection hurt. It caused welts, bruises, and sometimes permanent lipoatrophy,” Wyss told more than 800 people ...