Inhaling CO2 may rescue nerves’ ability to regrow

Summary
Breathing out after birth switches off the ability of tissues to regenerate, a study in mice suggests. But the pathway seems to be reversible
Description from Newscientist.
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Inhaling CO2 may rescue nerves’ ability to regrow
Breathing out after birth switches off the ability of tissues to regenerate, a study in mice suggests. But the pathway seems to be reversible