Medical research

Study examines why kidneys can't regenerate after birth

Tulane University researchers discovered a new mechanism that may explain why human kidneys, which are comprised of almost a million filter units, stop creating new filter cells after birth.

Obstetrics & gynaecology

The tiniest babies: Shifting the boundary of life earlier

Michelle Butler was just over halfway through her pregnancy when her water broke and contractions wracked her body. She couldn't escape a terrifying truth: Her twins were coming much too soon.

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