Losing the sense of smell may seem like a trivial problem - after all, the other senses theoretically seem far more important for function. In reality, however, the loss of the sense of smell can lead to many consequences, among them a significant loss of weight due to a drastic decrease in appetite (it is not uncommon for patients with an olfactory disorder to experience a significantly reduced appetite due to the fact that the perception of the taste of food is also linked to olfactory stimuli).