Centripetal Notion

… and linger for decades. It’s too soon to know what, if any, role they play in the mother’s health after birth, but some evidence points toward them behaving like stem cells, repairing and replenishing when she is sick.

It’s such an enticing idea that even the scientists who came up with the idea worry that it may be too beautiful to be true.

Robert Krulwich, NPR

LINK/AUDIO [NPR's Morning Edition]