Imperfections of the human form arise from genetics, poor lifestyle and diet choices, or environment. The imperfections themselves have a nature which corrupts the human nature. Ayurved classifies these imperfections into various biocharacteristics or gunas.

Natural Law Theory is a basic view of reality first described by Aristotle and later developed in the Middle Ages. It differences from the modern mechanistic view of reality, which claims that things do not have a nature beyond the sum of their parts.