A lot of current work is focused on developing sensors that detect diseases and tiny capsules that take medicines to where they're needed most in the body.
But it could be a long time before we see the benefits. All new medicines have to go through long trials to make sure they're safe. So you'll have to wait years for most nano-sized healthcare to reach doctors' surgeries and hospitals.
|Future medicines may be able to home in on specific locations in your body.|