Can a human survive with no pulse? It's a long-standing argument that one prominent heart surgeon is seeking to prove in his efforts to develop a total artificial heart that produces a continuous, pulseless blood flow. (Medical Device Daily)

A lot of people – more than one million – who needed their teeth straightened have opted in the last decade for a clear, removable orthodontic device sold by Align Technology (Santa Clara, California) rather than the old-style wire braces. (Medical Device Daily)

Unlocking the secrets of our genes, including the mutations that predict disease, puts people in a precarious position, particularly when there are no easy options. Many women who carry the heavy burden of knowing they are at high risk for breast or ovarian cancer — a result of genetic testing for the BRCA1 and BRCA2 gene mutations — are increasingly opting for surgery to reduce their risk. (Medical Device Daily)