Medicinal Plants and Their Nanoparticles: A Double Blade Sword Against Human Diseases thoroughly examines the fundamental principles of green nanotechnology particularly using medicinal plants and investigates its role in promoting sustainable practices in the fields of medicine and therapeutics. It elucidates the ways in which green synthesis techniques are enhancing the safety and sustainability of nanomaterial production. This book examines the application of nanotechnology in developing effective remedies for treating bacterial, fungal, and several chronic human ailments. It offers innovative applications that navigate the bloodstream to eradicate pathogens, selectively target nanoparticles that release medication only when necessary, and provide mechanistic insights. .