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What is Polycythaemia vera?

Polycythaemia vera is a rare, incurable blood cancer where the bone marrow produces too many red blood cells. This can make the blood thicker, increasing the risk of serious problems like blood clots, strokes, and heart attacks. Maryam Moshiri's diagnosis highlights the importance of understanding this condition and its potential impact on daily life.

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BBC presenter Maryam Moshiri reveals incurable blood cancer

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