Group 1 - The article highlights the significant deficiency of dietary fiber in the Chinese diet, which is linked to various health issues such as constipation, increased blood sugar, and blood lipid levels [4][3][9] - Dietary fiber is recognized as the "seventh essential nutrient" and plays a crucial role in metabolism and overall bodily function [6][8] - The recommended daily intake of dietary fiber for adults is 25-30 grams, but actual consumption has been declining since 1982, with average intake dropping from 13.3 grams in 1992 to 9.9 grams in 2015 [9][13][10] Group 2 - The primary sources of dietary fiber in China are grains (43.4%) and vegetables (36.2%), with fruits contributing only 4.5% [16] - Urban and rural dietary structures show differences, with rural residents relying more on grains for fiber intake compared to urban residents [18][17] - The decline in dietary fiber intake is attributed to the increased consumption of refined grains, which have lower fiber content compared to whole grains [30][31] Group 3 - The reduction in whole grain and coarse grain consumption is significant, with a dramatic decrease in the intake of millets and other grains by 84% from 1982 to 2015 [22][23] - The increase in meat consumption has led to a shift in dietary patterns, with a nearly threefold increase in per capita meat consumption from 1981 to 2015 [27][26] - The prevalence of refined grains has risen, with refined rice and flour dominating the market, leading to a further decrease in dietary fiber density [31][30] Group 4 - Insufficient dietary fiber intake is linked to serious health risks, including cardiovascular diseases, type 2 diabetes, and increased mortality rates [40][41] - Studies indicate that increasing dietary fiber intake by just 10 grams daily can reduce overall mortality risk by approximately 10% [45] - High-fiber foods include whole grains, legumes, and certain traditional ingredients, which can be incorporated into daily meals to improve fiber intake [48][56]
最能实现拉屎自由的食物,中国人却越吃越少了
Hu Xiu·2025-07-25 07:01