
Gray hair
HealthGroundbreaking new study explains why hair turns gray
Stem cells are nature’s built-in repair crew, holding the power to regenerate tissues and maintain youthful features. Yet not all stem cells age equally.
Joseph Shavit

Stem cells are nature’s built-in repair crew, holding the power to regenerate tissues and maintain youthful features. Yet not all stem cells age equally.
Joseph Shavit