Actually, flow cytometry is a machine that counts and sorts our blood's tiny soldiers, the cells. A CD4 count tells how many of the lead commander cells, the ones that fight major infections, are left standing. You see, it's a number that tells you if the army is winning or losing the long war.
My son's report last month showed his count dipped again, and all I could think was how many more tutoring hours I'd need to take on to afford the new medicine they suggested. The machine's science is precise, but for us, it just measures the weight of the next bill.
#fitness#health
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