Original sentence: A higher degree of symmetry may indicate a better coping system for environmental factors.Facial symmetry is claimed by some to be a determinant of the health, physical attractiveness and beauty of a person or animal.Some people of either sex who are considered "attractive" in various cultures have been found to have facial symmetry based on the golden ratio of 1:1.618
Edited sentence: A higher degree of symmetry indicates a better coping system for environmental factors.Facial symmetry is a determinant of the health, physical attractiveness and beauty of a person or animal.Facial symmetry is seen as a universal determinant of health and therefore of beauty.People of either sex who are considered "attractive" in various cultures have been found to have facial symmetry based on the golden ratio of 1:1.618.Plastic surgeon Stephen Marquardt developed an ideal beauty mask marked with various outlines of facial features based on the golden ratio.The faces that are judged as most attractive are found to fit the mask