Why do we love fiery foods if they hurt?

Why do people crave spicy foods even when they can cause real discomfort? A report from Dallas traces it to biology, starting with the evolution of heat-inducing chemicals in peppers. Capsaicina—present in pimientos y chiles—activates TRPV1, a pain and temperature sensor on the tongue, making the body register the sensation as if something were “on fire.” In response, the body releases compounds described as “happy hormones” like endorphins and dopamine, producing temporary alertness and mood boosts. The article also points to why taste preferences vary: about 1 in 4 Americans are “supertasters,” who typically have more sensitive taste and pain receptors and may perceive spice more intensely. It cites ideas such as repeated exposure leading to desensitization and the “mere-exposure effect,” as well as a 2014 Pennsylvania State University study linking enjoyment of spicy foods to sensation-seeking traits.