Smells affect us. They can make us wrinkle our noses and feel nauseous.
They can also make us feel good.
Research from Canada shows that soothing scents in stores help consumers relax and make them more inclined to purchase something.
And researchers from Germany are now investigating whether it would work to add baby fragrance to nasal sprays to relieve depression – because many people find sniffing babies’ heads so comforting.