Lately, when people ask me “how are you?” I have to choose between being polite and being accurate. Most people get the polite answer “I’ve been better”. It turns out I may have been too gentle.
The bone marrow of your pelvis, ribs and sternum produce your blood, about 15ml per day, in adults. (If you are younger than 18 months old, the long bones in your arms and legs also produce blood cells.) The interesting thing is that the stem cells that give rise to the blood cells aren’t fixed in place, they “go on tour” from one site to another. This is how my CLL arose from just one mutation in one cell, once, and yet now all of my bone marrow is involved in producing useless CLL cancer cells. Continue reading