• Sharp vision: New glasses help the legally blind see

    SAN FRANCISCO (AP) — Jeff Regan was born with underdeveloped optic nerves and had spent most of his life in a blur. Then four years ago, he donned an unwieldy headset made by a Toronto company called eSight.

  • Testosterone gel shows no benefit for older men’s memories

    CHICAGO (AP) — Testosterone treatment did not improve older men’s memory or mental function in the latest results from landmark government research that challenges the anti-aging claims of popular supplements.