Healthy Blood & Anemia
Healthy blood carries oxygen, fights infection, and keeps you energised. This guide explains what keeps your blood healthy and what anemia is — a common reason for fatigue worth understanding.
What blood is made of and what it needs, what anemia is and its common causes, the symptoms to notice, and when blood tests and a doctor are needed.
What's inside
- →What blood does — oxygen & more
- →Keeping blood healthy — key nutrients
- →What anemia is — low oxygen-carrying
- →Common causes — iron & beyond
- →Symptoms — fatigue & pallor
- →When to see a doctor — testing
For educational purposes only
This guide is educational information about blood and circulation — it is not medical advice, diagnosis, or treatment, and it is not a substitute for care from a qualified doctor. It does not diagnose, treat, cure, or prevent any condition. See a doctor about circulation concerns, persistent symptoms, or abnormal blood-test results. Seek emergency care for signs of a blood clot — a painful, swollen, warm, or red leg, or sudden shortness of breath and chest pain (possible pulmonary embolism) — and for signs of a stroke using FAST: Face drooping, Arm weakness, Speech difficulty, Time to call 911.