Cambridge- A new study conducted by the University of Cambridge researchers in a tech consulting firm, has said that robots can enhance mental health at work. Two different robot well-being coaches were used in the study over a span of four weeks. About 26 employees participated in weekly wellness sessions that were run none other than the robots, Misty. It is a toy-robot that is 36 cm tall. On the other hand, QT is a juvenile humanoid robot, about 90 cm tall. The wellness programme showed great success.