People with a choleric disposition who easily get angry, pregnant women with fears about pregnancy, or young people under pressure of college cotrance exams are all prone to develop a bald patch.
凡是性子急躁易怒、或對妊娠懷有恐懼的孕婦、以及受到聯考壓力的青少年都有可能變成「圓形禿」。