While the world's major killer disease, smallpox, that used to claim millions of lives has been eliminated, the planet has been struck with a more dreaded disease, AIDS or Acquired Immuno Deficiency Syndrome.

Sex therapy is designed to change certain patterns of sexual behaviour. Masters and Johnson gave new dimension to sex therapy. Today, we are entering into an era of reasoning, so what was once upon a time empirical is now being specific for each and every sexual dysfunction.