The aim of this book is to introduce and discuss bioethics in a three-synergistic way: from the foundations to the current debates in relation to healthcare and social bioethics, and thereafter the possible future challenges.In this sense, the target audience can be from diverse disciplines: life and medical sciences, law, philosophy, psychology, and education.The book will be useful to high school students, in their first contacts with bioethics, college students, teachers and researchers, and the general public interested in these controversial debates of the past, present and future of bioethics.