article_snippet.sent: But for a small percentage, Millions flock to the ancient, religious city every year excitement induced by Millions flock to the ancient, religious city every year close proximity to  holy landmarks invokes a rare condition known as Jerusalem syndrome.
article_snippet.sent: Jerusalem syndrome affects people visiting Jerusalem.
article_snippet.sent: Jerusalem syndrome is characterised by seven stages, including anxiety, the need to be clean and performing sermons .
article_snippet.sent: However, in many other cases, experts believe the condition is likely part of a broader psychosis, that is not unique to Jerusalem.
article_snippet.sent: A study published in the British Journal of Psychology identified seven sequential stages of Jerusalem syndrome: .
article_snippet.sent: Through the course of 100 such tourists study, 100 such tourists identified three types of people affected by Jerusalem syndrome.