Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...

Revision hip replacement surgery is more complicated than the first hip replacement. Hip replacements can wear out due to aseptic loosening and other issues. Only you and your surgeon can decide when ...

Heart valves keep blood flowing in the right direction between the heart's four chambers. Mechanical valves last longer than bioprosthetic valves but require lifelong blood thinners. Most of the time, ...

What is a reverse total shoulder replacement? A reverse total shoulder replacement is a special type of shoulder surgery. During the surgery, a surgeon removes the damaged parts of the shoulder and ...