This lecture covers the application of nanotechnology in medicine, focusing on the precise delivery of therapeutic agents. It discusses different types of carriers for nanomedicines, including polymer-drug conjugates, nanocarriers, and cellular carriers. The lecture also explores strategies for delivering nanoparticles across the blood-brain barrier and the use of cell carriers for targeted therapy. Additionally, it delves into the concept of Ikigai and its relevance in the field of nanomedicine. The presentation concludes with a discussion on the career path from academia to the biotech industry, highlighting the importance of precision medicine in treating neurodegenerative diseases.