As a hematologist, I specialize in the study and treatment of blood-related disorders, including those that affect iron levels in the body. Iron is a crucial element for the production of hemoglobin, which is necessary for transporting oxygen in the blood. There are several factors that can lead to a decrease in iron levels:


1. Blood loss: This is the most common cause of iron deficiency. It can occur through heavy menstrual periods, internal bleeding, or external bleeding due to injury or surgery.

2. Poor dietary intake: A diet lacking in iron-rich foods can lead to a deficiency.

3. Malabsorption: Conditions such as celiac disease, Crohn's disease, or other gastrointestinal disorders can interfere with the body's ability to absorb iron.

4. Pregnancy: The increased demand for iron during pregnancy can lead to a deficiency if dietary intake is not sufficient.

5. Chronic diseases: Certain chronic conditions like cancer, kidney disease, or inflammatory bowel disease can affect iron levels.

6. Excessive use of antacids: These can interfere with iron absorption.
7.
Donation of blood: Frequent blood donations without adequate iron replenishment can lead to iron deficiency.

It's important to consult with a healthcare professional if you suspect you have an iron deficiency, as they can provide a proper diagnosis and treatment plan.

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Substances (such as polyphenols, phytates, or calcium) that are part of some foods or drinks such as tea, coffee, whole grains, legumes and milk or dairy products can decrease the amount of non-heme iron absorbed at a meal. Calcium can also decrease the amount heme-iron absorbed at a meal.read more >>