Today, when you have an illness, you have to take medicine in several doses, as pills or syrups. Imagine a day when you have to take the drug only once, and it works a whole lot better. Nanotechnology can help do that.

Source: http://humantouchofchemistry.com/using-nanotechnology-for-drug-delivery.htm

Image Source: http://www.pharmainfo.net/files/u2882/nanoparticles_0.jpg