By Erin Huffstetler. Updated February 01, 2017. Learn how long foods stay fresh in the pantry, and you'll know just how much to stock up on, and when it's time to replace key ingredients like baking powder and spices. The following chart lists the shelf life of common pantry staples.
Causes of the Disorder. The primary causes of anosmia include obstruction (blockage) of the nasal passageways, destruction of the tissue lining the nose through inflammation or swelling, and a loss of nerve transmission from sensory neurons in the nose to the brain.
These are the most common causes of anisocytosis: 1  Iron deficiency This is one of the most common types of anemia, in which the red blood cells are deficient in iron. 2  Vitamin A deficiency The lack of normal levels of vitamin A throughout the body can be responsible for the unequal sizes of the red blood cells.