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Eating a fiber-heavy diet helped reduce people's risk of death from heart disease, infectious or respiratory disease, or any cause by 22%, according to a new study.
據(jù)美國科學(xué)家的一份最新研究稱，每日飲食中攝入大量的膳食纖維有助于降低出現(xiàn)心臟病、傳染病和呼吸系統(tǒng)疾病并導(dǎo)致死亡的風(fēng)險近22%。
What's more, people who were in the highest fiber-intake group (29.4 g per day for men and 25.8 g for women) were also less likely to develop those diseases than people with the lowest levels of fiber consumption (12.6 g per day for men and 10.8 g for women).
另外，膳食纖維攝入量高的人群（成人男性每日29.4克，女性25.8克）與攝入量底的人群（成人男性每日12.6克，女性10.8克）相比，對于此類疾病更具免疫抵抗力。
That's good motivation to adhere to the U.S. Department of Agriculture's updated Dietary Guidelines for Americans (DGA), which called on Jan. 31 for increased consumption of fiber through whole grains, enriched foods and fresh fruits and veggies. The DGA recommends 14 g of dietary fiber per 1,000 calories per day — which totals about 25 g of fiber a day.
美國農(nóng)業(yè)部也于上月底更新其健康飲食指南，并呼吁大家在飲食中增加全谷物的比重，DGA建議每天每吸收1000卡的熱量需對應(yīng)吸收14克的膳食纖維，約合每天25g。
Dietary fiber is the edible part of a plant that is difficult to digest — found in wheat bran and green, leafy vegetables — and is known to improve health in a number of ways. It is thought to lower risks of heart disease, some cancers, diabetes and obesity, and it's known to reduce cholesterol, blood sugar and blood pressure. According to background information in the study, published in Archives of Internal Medicine, it also binds to potential cancer-causing agents so the body can flush them out.
膳食纖維是作物中最難以消化的一部分，富含于小麥麥麩和綠葉蔬菜中，在提高健康水平方面的益處眾所周知。它有助于避免心臟病、一些癌癥和糖尿病的發(fā)生，同時在減低膽固醇、血糖和血壓方面也有顯著的效果。同時，膳食纖維還可抑制癌細(xì)胞的變異。
