The sense of smell can be enhanced through sniffing and smelling, which can also improve taste, cognition, and learning ability.

“today's episode is going to talk about tools that will allow you to actually leverage these chemical sensing mechanisms, including how you smell not how you smell in the qualitative sense, but how you smell in the verb sense, the action of sniffing and smelling to enhance your sense of smell and to enhance your sense of taste as well, believe it or not, to enhance your cognition, your ability to learn and remember things.”