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杰克今年已经70岁了,但看上去要年轻得多。几天前,他到医院去检查身体,医生给他开了一个药方:每天吃30克纤维素。负责“买汰烧”的杰克太太感到非常棘手,她用几乎是绝望的声音问医生:“怎样才能吃到这么多纤维素?”像大多数上了年纪的人一样,杰克每天大约只摄入14克纤维素,远远低于健康的成年人应该摄入的21～38克的数量。医生在给他做常规身体检查时,发现他的肠里有囊肿,这种症状可能会引起炎症和不正常的纤维化。
Jack is 70 years old this year, but looks much younger. A few days ago, he went to the hospital to check the body, the doctor gave him a prescription: eat 30 grams of cellulose a day. Mrs. Jack, who is in charge of “buying and selling,” was struggling to ask the doctor in almost desperate voice: “How can I eat so much cellulose?” Like most older people, Jack does a day Only about 14 grams of cellulose is consumed, well below the 21 to 38 grams that healthy adults should consume. When the doctor gave him a regular medical examination, he found a cyst in his intestine, a symptom of inflammation and abnormal fibrosis.