Loss of smell (anosmia)

Losing the sense of smell touches many parts of life. Without a good sense of smell, food might taste bland. It can be hard to tell one food from another.

Losing some of the sense of smell is called hyposmia. Losing all sense of smell is called anosmia. The loss might be brief or long term, depending on the cause.

Losing even some sense of smell can cause a loss of interest in eating. Not eating might lead to weight loss, poor nutrition or even depression.

The sense of smell can warn people of dangers, such as smoke or spoiled food.

• Causes