Dr. Michael Leon, a leading researcher on smell and memory at UC Irvine, discusses the fascinating connection between scents and cognitive function. He highlights the unique role of olfaction in memory, especially as we age, and its potential to combat Alzheimer's effects. The conversation unveils innovative studies showing how scents can enhance brain performance while sleeping. Leon also introduces a groundbreaking device designed to use scents for cognitive enhancement, promising an accessible solution for millions.