Fifty percent will have onset by age 14, 75 percent by age 24, a picture that is very different than what one would see if you're talking about cancer or heart disease, diabetes, hypertension -- most of the major illnesses that we think about as being sources of morbidity and mortality.
50%的病人从14岁起患病， 75 %的病人从24岁起患病， 与传统的疾病观念不同 如果你在谈论癌症、心脏病 糖尿病、 高血压 — — 这些疾病 被认为是发病率和死亡的来源。