“…Mass 'sickness' judged to be psychosomatic in origin is typically viewed as abnormal behavior, paralleling mental disorders. Symptoms commonly involve one or a combination of complaints, and include: dizziness (Colligan and Murphy 1979;Moffat 1982), fainting (Teoh and Tan 1972;Boulougouris et al 1981); stomach pain (Smith and Eastham 1973;Carter et al 1989), nausea (Polk 1974;Small and Borus 1983), twitching (Schuler and Parenton 1943;Dhadphale and Shaikh 1983), malaise (McEvedy and Beard 1970), sore throat and eyes (Levine et al 1974), crying (Davy 1880;Helvie 1968), screaming (Chew 1978;Poon 1982), paralysis (Johnson 1945;Nandi et al 1985), depression (Ikeda 1966;Eastwell 1982), hyperventilation (Parigi 1956;Moss and McEvedy 1966), abnormal body movements (Hugo 1881;Douglass 1944), itching and rash (Maguire 1978;Robinson et al 1984), running (Kagwa 1964), laughing (Rankin and Philip 1963;Muhangi 1973), jumping (Beard 1880;Thornton 1885), states of trance (Phoon 1982;Muluka et al 1985) and possession (Teoh and Yeoh 1973;Teoh et al 1975), hallucinations (Shapiro 1936;Lee and Ackerman 1980), headache (Bebbington et al 1980;Pollock and Clayton 1964), vomiting …”