13. Cold hands and feet
If your toes and fingers are cold constantly, it could be a sign that you have an iron deficiency. When you do not get enough iron, your body’s blood oxygenation decreases. As a result, it draws blood from your extremities and sends it to vital organs, such as your brain, heart, kidneys, liver, and lungs. Less blood on your fingers and toes means they will feel colder.
