I am not certain, really. People do at chili peppers to dishes for the spiciness, though.
They can be used for many different cuisines to add spiceness for food dishes.
I love to eat hot peppers. The chili pepper, also known as chili, is a fruit of plants from the Capsicum family of the nightshade family. Capsicum I've heard of that.  How do they measure how hot a pepper is?
They are widely used in many cuisines to add spiciness to dishes.