Smells can transport us back to powerful and emotional memories from the past more effectively as compared to sounds, a new study has found.
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A well-known idea called the "Proustian phenomenon" proposes that distinctive smells have more power than any other sense to help us recall distant memories, the Telegraph reported.

The theory is named after the French writer Marcel Proust, who in his novel 'A la recherche du temps perdu' (In search of lost time) describes a character vividly recalling long-forgotten memories from his childhood after smelling a tea-soaked madeleine biscuit.