Physical Activity Helps 'CLL' Patients

Research states even low-intensity exercises can benefit the quality of life of individuals battling chronic lymphocytic leukaemia (CLL)

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Chronic lymphocytic leukaemia (CLL) is the most common adult blood cancer in the world, and it predominantly affects older adults. Most people are diagnosed after the age of 70, but increasing numbers of younger people, some under 60, are also being affected.

CLL starts when a type of immune cell called a B cell — normally responsible for producing antibodies — becomes cancerous. This not only stops it from working properly, but also weakens the rest of the immune system.

For many people, CLL begins as a slow-moving, low-grade disease that doesn't need immediate treatment. These patients are placed on "active monitoring," where they're regularly checked for signs of progression. Others, especially those with more aggressive forms of the disease, will need immediate and targeted treatment to destroy the cancer cells.

But regardless of the stage, CLL involves a prolonged and often unpredictable course. It's associated with a higher risk of infections, secondary cancers and a heavy symptom burden that can affect quality of life for years.

People on active monitoring often find themselves in a kind of medical limbo: well enough not to need treatment, but not well enough to feel secure. Fatigue, anxiety, social isolation and fear of infection are common. For those receiving treatment, side effects including nausea, bleeding, diarrhoea and extreme tiredness can make everyday life even more challenging.

Because CLL weakens the body's ability to fight infection, many people begin avoiding places where germs might spread: busy shops, family gatherings, even the gym. But while this instinct is understandable, it can come at a cost.