If there is an amount in both boxes 6 and 11, for a tax-exempt obligation that. is a covered security acquired on or after January 1, 2017, and issued with OID, the amount in box 6 shows the amount of acquisition premium amortization for. the year that reduces the amount of your tax-exempt OID for the year.
Excessive blood loss. 1  Blood loss from the gastrointestinal (GI) tract is the most common cause of IDA in adult men and postmenopausal women. 2  Blood loss due to menorrhagia is the most common cause of iron deficiency in pre-menopausal women.
The most common cause of iron deficiency anemia is gradual, prolonged blood loss. For this reason, menstruating women are particularly prone to anemia. In men, the most common cause of iron deficiency is blood loss in the digestive tract, resulting from disorders such as peptic ulcer, inflammatory bowel disease, and stomach or colon cancer. Sometimes hemorrhoids bleed enough to result in anemia.