Why Blood Health Matters: Understanding Leukaemia and Your Blood Cells
Blood is one of the body’s most important transport and support systems. Every day, it carries oxygen to our tissues, helps our immune system fight infections and plays a vital role in stopping bleeding when we are injured. Behind these functions are different types of blood cells, each with a specific job to do.
Our blood contains different types of cells, and each has an important role. Red blood cells carry oxygen, white blood cells help protect us from infection, and platelets help control bleeding. These cells are continuously produced in the bone marrow, the soft tissue found inside many of our bones.
Leukaemia is a group of cancers that affects blood-forming tissues, including the bone marrow. When abnormal blood cells develop and multiply, they can interfere with the production of healthy blood cells. Understanding this process can help us better understand leukaemia, its possible effects on the body and why medical assessment is important when symptoms are persistent or unexplained.
The role of blood cells
To understand what happens in leukaemia, it helps to first understand what healthy blood cells are supposed to do.
- Red blood cells carry oxygen from the lungs to tissues throughout the body. They help supply your muscles, organs and brain with the oxygen they need to function.
- White blood cells are an important part of the immune system. Different types help the body recognise and respond to infections and other threats.
- Platelets help the blood clot when a blood vessel is damaged. For example, when you cut your finger, platelets help form a plug that limits the bleeding.
These cells are produced continuously in the bone marrow. You can think of the bone marrow as the body’s blood-cell production centre, constantly making new cells to replace older ones and maintain the balance the body needs.
What Changes in Leukaemia?
Leukaemia develops when abnormal blood-forming cells grow and multiply uncontrollably, often interfering with the production of healthy blood cells in the bone marrow.
This can affect the body in different ways. Reduced red blood cells may cause tiredness or shortness of breath, while reduced healthy white blood cells can make it harder to fight infections. Low platelet levels may lead to easier bruising or bleeding.
The effects vary depending on the type of leukaemia. The four main types are acute lymphoblastic leukaemia (ALL), acute myeloid leukaemia (AML), chronic lymphocytic leukaemia (CLL) and chronic myeloid leukaemia (CML).
Signs to look out for?
Possible symptoms can include:
- Persistent or unusual tiredness and weakness
- Frequent or persistent infections
- Fever or night sweats
- Unexplained weight loss
- Easy or unexplained bruising
- Unexplained or prolonged bleeding
- Pale skin
- Shortness of breath
- Swollen lymph nodes
- Bone or joint discomfort
However, awareness does not mean assuming that these symptoms are caused by leukaemia. Feeling tired after several late nights, developing a bruise after bumping into something or catching the occasional cold are common experiences and usually have much more straightforward explanations. Many symptoms associated with leukaemia can also occur with other health conditions.
What matters is paying attention to symptoms that are persistent, unexplained, unusual for you or occurring alongside other concerning changes.
How Is Leukaemia Diagnosed?
Because leukaemia symptoms can have many other causes, they cannot diagnose the condition on their own. A healthcare professional may assess your symptoms and medical history before conducting blood tests, including a full blood count (FBC) to identify any abnormalities.
If further investigation is needed, additional blood tests or a bone marrow examination may be performed to confirm a diagnosis and determine the type of leukaemia. Rather than self-diagnosing, seek professional medical advice for persistent or unexplained symptoms.
Leukaemia awareness is ultimately about understanding your health, rather than worrying about every symptom. Knowing how your blood cells work can help you understand why certain symptoms may occur and why persistent or unexplained changes should not simply be ignored. If something about your health doesn’t seem right, getting the appropriate advice is always better than trying to diagnose yourself.
Your local Ringpharm pharmacist is there to provide trusted guidance on a wide range of health concerns. Whether you have a question about a symptom, a medicine or whether you should seek further medical attention, speaking to a healthcare professional can help you take the right next step.
This blog post is intended for informational purposes only and is not a substitute for professional medical advice. For personalised health guidance, consult with your healthcare provider or visit your local Ringpharm pharmacy.