Just like any other field of human knowledge application, also Medicine is going Nano. The keywords announcing the dawn of a new era in the general area of healthcare are personalized therapies, point of care, Nano vectors, microneedles, theranostics. These innovative instruments will fight against old and new plagues, such as silent cancers, cardio-pathologies, degenerative diseases, resistant infections. The new weapons available to medical doctors are the result of highly interdisciplinary collaborations between biologist, chemists, physicists and engineers, stating the supremacy of cross fertilization of culture over isolated box of expertise.