He had to pass a screening process, which included a physical and a psychiatric evaluation of his coping skills, his expectations and his understanding of the transplant.

CNN: Pastry chef receives double hand transplant

If you have knee problems, I highly recommend seeing a physical therapist or orthopedic surgeon for evaluation before starting a vigorous jogging training program.

CNN: Will jogging hurt an obese person's joints?

Realizing this potential will require partnerships between industry and government to develop a framework and best practices for cyber-physical-systems platform technologies that include integrated architectures, standards and protocols, advanced analytics, evaluation testbeds, and reference implementations to ensure such systems perform reliably, correctly, safely and securely.

WHITEHOUSE: Presidential Innovation Fellows