Heme vs non-heme iron, what vitamin C and tea do, and why the body sets its own absorption rate. What StatPearls, the WHO and MedlinePlus say.
Iron-Rich Foods and Absorption: What the Sources Say Read Post »
Which symptoms MedlinePlus, the NHLBI and the NHS link to low hemoglobin, where hair loss really fits, and why symptoms cannot tell you your number.
Low Hemoglobin Symptoms: Tiredness, Headaches, Hair Loss Read Post »
Both cause small red cells. How clinicians separate thalassemia trait from iron deficiency, why the Mentzer index is not enough, and what confirms it.
Thalassemia Trait vs Iron Deficiency: What a CBC Shows Read Post »
Hemoglobin is measured, hematocrit is usually calculated from red cell count and size. That is why the two track each other, and a mismatch is a lab flag.
Hemoglobin vs Hematocrit: Why Both Are on Your Report Read Post »
Sourced hemoglobin cutoffs by age, sex and trimester from WHO 2024 and ACOG, plus why a chart’s range and your lab’s printed range are not the same thing.
Hemoglobin Normal Range by Age, Sex and Pregnancy Read Post »
Iron studies are read as a set: what serum iron, TIBC, transferrin saturation and ferritin each measure, and why one number alone rarely settles anything.
Iron Studies Blood Test Explained: Iron, TIBC, Saturation Read Post »
Ferritin measures stored iron and is also an acute-phase protein, so inflammation raises it. WHO’s 2020 thresholds come in two columns, and here is why.
Ferritin Blood Test: What the Iron-Store Number Means Read Post »
Thresholds for a high hemoglobin differ by source, and no WHO cutoff defines it as one defines anemia. Sourced causes, and what the number cannot settle.
High Hemoglobin: What an Above-Range Result Can Mean Read Post »
A hemoglobin of 11 sits below WHO adult cutoffs, at the pregnancy cutoff, and above the cutoffs for young children. Read yours against your lab’s range.
Is a Hemoglobin of 11 Low? Reading Your Own Number Read Post »
