Nostalgic foods and scents like fresh-cut grass and hamburgers grilling bring comfort, connection and well-being

Walking around my neighborhood in the evening, I am hit by the smells of summer: fresh-cut grass, hamburgers grilling and a hint of swimming pool chlorine. These are also the smells of summers from my adolescence, and they remind me of Friday evenings at the community pool with my friends and our families gathered around picnic tables between swims. The memories always brings a smile to my face.

As a social psychologist, I shouldn’t feel surprised to experience this warm glow. My…