William Aird/X
Nov 21, 2025, 06:20
William Aird: Did You Know? – Leukocytosis Take Years to Resolve After Smoking Cessation
William Aird, Professor of Medicine at Harvard Medical School, shared a post on X:
“DID YOU KNOW
… that leukocytosis can take years to resolve after smoking cessation?
Why?
Because smoking reprograms hematopoietic stem cells toward myeloid output.
Those epigenetic changes wash out slowly as new stem-cell generations replace the old.”
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