Peyronie's disease is likely caused by minor injury to the penis. (See penile trauma.) This type of damage is most often caused by vigorous sex (such as bending the penis during penetration or pressure from a partner's pubic bone), though it can also be caused by sports or other accidents.
The didactic method of instruction is often contrasted with dialectics and the Socratic method; the term can also be used to refer to a specific didactic method, as for instance constructivist didactics.Didactics is a theory of teaching, and in a wider sense, a theory and practical application of teaching and learning.In demarcation from  Mathetics  (the science of learning), didactics refers only to the science of teaching.n didactic method of teaching, the teacher gives instructions to the students and the students are mostly passive listeners. It is a teacher-centered method of teaching and is content oriented. The content or knowledge of the teacher is not questioned.
An aesthetician (or esthetician) is a specialist in skin care, which includes facial treatments, body wraps (relaxing treatments which involve hot linens, plastic sheets, and blankets), salt glows (an exfoliation treatment), waxing as a form of hair removal, and cosmetic make-up services.