Nearly 40% of adults develop gum disease that can lead to tooth loss. Learn the warning signs to catch this common condition ...

Medically reviewed by Edmund Khoo, DDS Periodontal disease (gum disease) is a bacterial infection of the gums that affects ...

A Packard car en route to Flagstaff from the Canyon driven by Mr. Denger, a Phoenix rancher, accompanied by a party of ladies, was right behind and took a turn at the horses, one of which lunged over ...

Trump Weakens U.S. Cyberdefenses at a Moment of Rising Danger The firing of the head of the N.S.A. was only the latest move to erode fortifications against cyberattacks, especially those targeting ...