A typical platelet count range can change with age. Platelet counts may fluctuate due to natural vascular aging, changes in bone marrow tissue, and altered blood plasma makeup. Platelets, or ...

Keep in mind that blood sugar targets may vary based on characteristics such as age, lifestyle factors and more; there is no universal “normal” blood sugar level. Instead, the information in ...

This article describes what happens during a serum iron test. It also explains the normal ranges of iron in the blood and the treatment options for people whose iron levels are too high or too low.

The main complication of vitamin D toxicity is hypercalcemia, which is higher-than-normal levels of calcium in the blood. Hypercalcemia causes the symptoms of vitamin D toxicity. Vitamin toxicity can ...