Anorexia nervosa may trigger a reduction of hunger and excessive thirst. Anorexia nervosa is an eating-disorder associated with an unreasonable fear of gaining weight and an obsession with food. A person with anorexia nervosa tries to keep a weight which is at least 15-percent below normal for her age and height. Anorexia nervosa is most frequent among teenage girls, although even adults of all sexes and teenage boys may develop this illness. Double signs and symptoms linked with anorexia nervosa include lack of appetite, increased thirst, severe weight loss, fatigue, insomnia, brittle nails, thinning hair, absence of menstrual periods, constipation, cold intolerance, irregular heart rhythms and decreased blood-pressure. MayoClinic.com says that particular risk factors might increase the likelihood of developing anorexia nervosa, including youth, feminine sex, genetics and participation in particular work, athletics or artistic activities.
Diabetes insipidus may cause increased desire and decreased appetite. Diabetes insipidus is a condition as blood is filtered by them by which somebody's kidneys are incapable of conserving water. Anti diuretic hormone, or ADH controls the volume of water. ADH, vasopressin that is also called, governs substances in the kidneys' tubules' resorption by influencing the permeability of the tissue. In accordance with the MedlinePlus website, you will find only two principle types of diabetes insipidus: nephrogenic and key. Mutable signs and symptoms related to diabetes insipidus include decreased appetite, excessive thirst and increased urine volume.