Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the ...

Stem cell transplantation can reverse stroke damage, researchers at the University of Zurich report. Its beneficial effects include regeneration of neurons and restoration of motor functions, marking ...

Diverse team of doctors consult on a TV screen showing MRI scan with brain images. [iStock Photos] A person declared brain-dead does not recover or wake up—they eventually die, according to medical ...