More than 500 million people around the world are pathological nail-biters according to our medical advisers. Is it caused by nervousness, anxiousness, stress, obsessive-compulsiv e disorder, or what? There are several reasons for chewing or biting your fingernails, or even your toenails.
During a summer school vacation, our medical groups invited teachers and guardians of several primary schools to present their pupils who have nail biting habit for a trip on a resort area in Nara, Japan for 40 days.
Our medical groups were trying to find the cause of nail biting. However, we suspected that there is only one or two causes, primarily stress.
40 pupils were gathered and the schools and guardians financed the entire expenses. After 3 hours of train trip, they arrived to a temple where they spent their vacation.
No pupils were informed about nail biting. They are free to do sightseeing and going around, getting wild chestnuts, and chasing mountain dears, except at 7:00 a.m. for breakfast, 12:00 noon for lunch and 6:00 p.m. for dinner. Of course, our groups were observing their nail biting habits.
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