It’s 9 a.m. and Pepper is raring to get to work. “Hi there,” it chirps as people approach it during a demo of its program. “Welcome to the library. I am so glad you are here.” “Let’s do something ...

For years, total joint replacements were almost exclusively indicated for patients older than 65 years due to the increased risk for complications and revisions in younger patients. AMELIA ISLAND, Fla ...