Polyphagia uses combining forms of "poly-" + "-phagia", from the Greek words πολύς (polys), "very much" or "many", and φαγῶ (phago), "eating" or "devouring". Polyphagia Polyphagia or hyperphagia is excessive hunger or increased appetite. In medicine, polyphagia (sometimes known as hyperphagia) is a medical sign meaning excessive hunger and abnormally large intake of solids by mouth. It can be caused by disorders such as diabetes, Kleine–Levin syndrome (a malfunction in the hypothalamus), and the genetic disorders Prader–Willi syndrome and Bardet–Biedl syndrome. Knocking out vagal nerve receptors has been shown to cause hyperphagia. Causes of increased appetite include: Polyphagia usually occurs early
Sexual desire and Sill found that the majority of men and women do not officially report themselves as having low levels of sexual desire until they are 75 years old. Many would attribute this lull to partner familiarity, alienation, or preoccupation with other non-sexual matters such as social, relational, and health concerns. Properly defining sexual desire is always a challenge as it can be conceptualized in many different ways. One must take into account the definition used by clinicians in the American Psychiatric Association's Diagnostic and Statistical Manual IV-TR (DSM-IV-TR) as well as what men and women understand their own desire to