Nanomedicine is medicine that uses very small things called nanoparticles to help fight diseases. Nanoparticles are particles that are so tiny, you can't even see them with the naked eye. They are so small that doctors can use them to get medicine to the exact places inside our bodies where it is needed. The medicine helps fight diseases and makes us feel better. Nanoparticles help us get medicine where it needs to be faster than before.