If ultimately robots would do all the work, and the humans will just sit and monitor them, health hazards will increase rapidly. Obesity will be on top of the list. So there are advantages, but there are disadvantages as well. It is the twenty first century and we cannot work without machines. Humans are still considered far more efficient than.
Honda's ASIMO robot. See more pictures of robots. Want a robot to cook your dinner, do your homework, clean your house, or get your groceries? Robots already do a lot of the jobs that we humans don't want to do, can't do, or simply can't do as well as our robotic counterparts. In factories around the world, disembodied robot arms assemble cars.