Some assert that parental alienation should be diagnosable in children as a mental disorder. The psychological community has not accepted parental alienation as a diagnosable mental condition. However, many people not suffering from diagnosable mental illness may sometimes hear voices as well. Out of those individuals 15% had a diagnosable mental illness. Secondary amenorrhea's most common and most easily diagnosable causes are pregnancy, thyroid disease, and hyperprolactinemia. Tremor occurring in the legs might be diagnosable as orthostatic tremor. Television addiction is not a diagnosable condition of DSM-IV. It is not currently a diagnosable condition in either the DSM or ICD system. Fetal alcohol syndrome (FAS) is the first diagnosable condition of FASD that was discovered. In the US masturbation has not been a diagnosable condition since DSM II (1968). In the US, masturbation has not been a diagnosable condition since DSM II (1968). In 1972, Peter Galton classified the genus as not diagnosable beyond Saurischia. Sexual arousal in association with objects that were designed for sexual purposes is not diagnosable. Others may have the fear without any diagnosable reason.