Rachel Herz, Author of the Scent of Desire on Diane Rehm

11:00am, Diane Rehm

Of all our senses, the sense of smell is most closely tied to mental health and happiness. It was the first of our senses to evolve, yet it often takes a cultural backseat to sight and sound. An expert on smell talks about the psychology, biology and sociology of our olfactory sense.

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