Recent Japanese Studies of Trichotillomania

Trichotillomania, characterized by recurrent hair pulling leading to hair loss, was once considered rare but is now believed to be more common. The number of diagnosed cases has been increasing. A new definition proposed in the United States in 1987 distinguished trichotillomania from general hair-pulling behavior, sparking global debates on its conditions and treatments. The author reviewed recent Japanese studies on trichotillomania, comparing them with key international literature.