The First Cell of a New Creation

When a patient receives a bone marrow transplant, the old marrow — diseased, failing, producing only death — is destroyed. New donor marrow is infused, and then comes the hardest part: waiting. Days pass. Sometimes weeks. The patient is utterly vulnerable, suspended between the old system that was killing them and the new life that hasn't yet taken hold. Then one morning, a lab report shows it — the first new healthy cell, produced not by the patient's failing body but by the donor's marrow.…