According to otolaryngologists, a person’s sense of smell is at its best between the ages of 30-60. After the age of 60, sense of smell generally decreases. As a result, many elderly people lose their sense of smell entirely. Women of all ages are more likely to have an acute sense of smell than their male counterparts. However, some people are born with a poor sense of smell and taste. Although premature smell and taste loss are common, they can be caused by a number of things.