The role of smell is as important to our well-being and to our life as any other part of our body and is equally important as all of our other senses. We get a feel of our surroundings, our happiness, and our lives in general by using all of our senses. For instance, Ansonia, in which a person cannot smell, has been linked to disorders like depression. For us, smell plays an intricate part of our lives, of our sensory world, in the way we act. The process of recognition of a place is accomplished by our sense of smell.
Smell evokes emotions such as fear, contentment, even sexuality.
Strong smells affect us physically, giving us a headache or making us nauseous. Our sense of smell can influence mood, physical well-being, memory, emotions, sexual desire, our hormones, and our immune system. That is also why we feel at ease with soothing, familiar smells, get turned on sexually with sensual perfume smells, and get upset and uneasy with foul or harsh smells. It is also known that smell invokes memory. Unfortunately how we smell, why we smell and the exact importance of smelling on our everyday lives, is still poorly understood.