This document discusses sexual function difficulties, their causes and treatments. It notes that both physical and psychological factors can cause issues like low desire, arousal problems and painful intercourse. The text outlines various sexual disorders according to diagnostic standards and surveys on sexuality. It also explores ways to enhance intimacy through self-awareness and addressing relationship issues, stress or sexual anxieties. Finally, the document reviews medical and therapeutic approaches for treating sexual function difficulties, including cognitive-behavioral therapy and sex therapy.