B cells do many things besides making antibodies — they regulate other immune cells, present antigens, and even produce protective cytokines. But after anti-CD20 treatment, which wipes out B cells, all these functions vanish, leading to low antibodies. I learned this the hard way when I discontinued treatment and faced severe infections, something no spreadsheet could plan for. Aba majhya chhanya fees bharanyapeksha pan majhya swasthyacha khara kharca hova lagla, kay?
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