“…There have been reports of associations or lack of associations between PTC taste status and diseases and traits not directly related to taste. These include diabetes (Terry and Segall 1947, Terry 1950, Akesson 1959b, Bayani-Sioson 1964, Schelling, Tetreault, Lasagna et al 1965, Rao and Sisodia 1970, Ali, Azad Khan, Mahtab et al 1994, dental caries (Chung, Witkop and Henry 1962), eye disease (Becker and Morton 1964, Suzuki, Takeuchi and Kitazawa 1966, Alsbirk and Alsbirk 1972, Kalmus and Lewkonia 1973, thyroid disorders (Harris, Kallmus and Trotter 1949, Kitchin, Howel-Evans, Clarke et al 1959, Shepard and Gartler 1960, Fraser 1961, Shepard 1961, Brand 1963, Hollingsworth 1963, Bayani-Sioson 1964, Azevedo, Krieger, Mi et al 1965a, Covarrubias, Barzelatto, Stevenson et al 1965, De Luca and Cramarossa 1965, Paolucci, Ferro-Luzzi, Modiano et al 1971, Mendez de Araujo, Salzano and Wolff 1972, Persson, Kolendorf and Kolendorf 1972, Facchini, Abbati and Campagnoni 1990, Haque 1990, Koertvelyessy and Crawford 1990, Facchini, Pettener, Rimondi et al 1997, schizophrenia (Freire-Maia, Karam, Mehl et al 1968, Schlosberg andBaruch 1992), gastrointestinal ulcers (Kaplan, Fischer, Glanville et al 1964, Stanchev, Tsonev and Minchev 1985, Li, McIntosh, Byth et al 1990), depression …”