Fibroblasts and endothelial cells, both key to structure and blood flow, changed most with age. In older samples, these cells ...

Lindsey and Tim Pierce adopted an embryo that had been frozen for 30 1/2 years, 3 years after Tim was born. The ...

Pregnancy planning after the age of 35 can be a delightful experience, but it involves a more deliberate care of one's ...