粪便要在大肠内形成体积，除了纤维之外，还要有水分帮助膨胀，才能对肠道产生刺激的信号。所以如果吃很多纤维，但是水不够，纤维膨胀不起来，粪便体积小又密实、干硬，在肠道中运送反而更慢。此外，大肠的一个基本功能就是回收粪便中的水分，身体越缺水，大肠回收的水分越多，粪便越干燥，便秘越严重。许多人可能还以为自己是“顽固型便秘”，其实只是喝水太少。
http://www.jzzq88.com/thread-365619-1-1.html
http://www.2017g.com/forum.php?mod=viewthread&tid=7797126
http://bbs.trcqu.com/forum.php?mod=viewthread&tid=640506
http://bbs.zams.com.cn/forum.php?mod=viewthread&tid=75745
http://bbs.0575sxr.com/read.php?tid=9813&ds=1
http://tkminers.com/forum.php?mod=viewthread&tid=40072
http://www.iyoutaiwan.com/forum.php?mod=viewthread&tid=196228
http://forum.u-hk.com/forum.php?mod=viewthread&tid=1182000
http://class.qxwgy.com/bbs/forum.php?mod=viewthread&tid=1093532
http://bbs.uiiha.com/forum.php?mod=viewthread&tid=85922
http://wuliu.sqapp.cn/forum.php?mod=viewthread&tid=329005
http://forum.goldenantler.ca/forum.php?mod=viewthread&tid=104014
http://kufudao.discus.me/thread-193586-1-1.html
http://www.2016olb.com/thread-14429-1-1.html
http://qbhbbs.jfc.so/forum.php?mod=viewthread&tid=1182498
http://bbs.aisopan.com/thread-126649-1-1.html
http://www.lsxzc.net/ShowPost.asp?ThreadID=95610
http://bbs.tianjihudong.com/viewthread.php?tid=117470&extra=
http://www.niluan.cn/home.php?mod=space&uid=70742&do=blog&quickforward=1&id=232603
http://www.zzxsp.com/forum.php?mod=viewthread&tid=235800
http://www.linshao168.com/forum.php?mod=viewthread&tid=1480731&extra=
http://www.ceszttc.com/forum.php?mod=viewthread&tid=414597&extra=
http://lengzhaji.org/thread-373679-1-1.html
<a href="http://202.107.231.2461/forum.php?mod=viewthread&tid=3383469&extra=" target="_blank">http://202.107.231.2461/forum.php?mod=viewthread&tid=3383469&extra=
http://www.zbxc.win/forum.php?mod=viewthread&tid=883366
http://www.jazx.com/forum.php?mod=viewthread&tid=1294170
http://www.shweather.com/bbs/showtopic-498356.aspx
http://auto.ly.shangdu.com/thread-5778561-1-1.html
http://www.xyw10.com/forum.php?mod=viewthread&tid=210734
http://sw.ydxwcm.com/bbs/viewthread.php?tid=53167&extra=
http://tu.linuxaudiosystems.com/node/6#comment-108313730
http://www.haosyx.com/forum.php?mod=viewthread&tid=421435
http://120.26.60.68/forum.php?mod=viewthread&tid=1102167
http://www.ramyrahimi.com/thread-1680038-1-1.html
http://bbs.gqezy.com/forum.php?mod=viewthread&tid=16782
http://www.lfxyw.com/forum.php?mod=viewthread&tid=103694
http://dzal3.view.55hl.net/bbs/forum.php?mod=viewthread&tid=113645
http://bbs.fang33.cn/forum.php?mod=viewthread&tid=746491
http://bbs.yioyou.com/thread-8985-1-1.html
http://freeat.net/forum.php?mod=viewthread&tid=1666119
http://www.7cq.tv/thread-130077-1-1.html
http://bbs.kulhs.com/forum.php?mod=viewthread&tid=555324
http://hsba1.com/forum.php?mod=viewthread&tid=1275902
http://www.haoyuzq.com/forum.php?mod=viewthread&tid=19077
http://pp.papaxiong.net/home.php?mod=space&uid=19426&do=blog&quickforward=1&id=10131662
http://5798.aixiao5.com/forum.php?mod=viewthread&tid=206670
http://122.10.25.130/forum.php?mod=viewthread&tid=2268638
http://bbs.zams.com.cn/forum.php?mod=viewthread&tid=75755
http://bbs.0575sxr.com/read.php?tid=9814&ds=1
http://dzal3.view.55hl.net/bbs/forum.php?mod=viewthread&tid=113647
http://www.iyoutaiwan.com/forum.php?mod=viewthread&tid=196257
http://tu.linuxaudiosystems.com/node/6#comment-108313773
http://lengzhaji.org/thread-373694-1-1.html
http://didishe.org/forum.php?mod=viewthread&tid=3234473
http://www.ningmenglt.cc/forum.php?mod=viewthread&tid=96379
http://www.xyw10.com/forum.php?mod=viewthread&tid=210766
http://2020yg.com/forum.php?mod=viewthread&tid=115341
http://www.jzzq88.com/thread-365667-1-1.html
http://bbs.fang33.cn/forum.php?mod=viewthread&tid=746513
http://www.ramyrahimi.com/thread-1680078-1-1.html
http://www.niluan.cn/home.php?mod=space&uid=70742&do=blog&quickforward=1&id=232608
http://forum.u-hk.com/forum.php?mod=viewthread&tid=1182079
http://forum.goldenantler.ca/forum.php?mod=viewthread&tid=104024
http://tkminers.com/forum.php?mod=viewthread&tid=40077
http://www.ramyrahimi.com/thread-1680088-1-1.html
http://hsba1.com/forum.php?mod=viewthread&tid=1275932
http://freeat.net/forum.php?mod=viewthread&tid=1666150
http://5798.aixiao5.com/forum.php?mod=viewthread&tid=206681
http://bbs.kulhs.com/forum.php?mod=viewthread&tid=555361
http://kufudao.discus.me/thread-193592-1-1.html
http://www.zbxc.win/forum.php?mod=viewthread&tid=883431
http://fnbbs.res999.com/showtopic-13930925.aspx
http://www.2016olb.com/thread-14433-1-1.html
http://dzal3.view.55hl.net/bbs/forum.php?mod=viewthread&tid=113654
http://wuliu.sqapp.cn/forum.php?mod=viewthread&tid=329026
http://bbs.trcqu.com/forum.php?mod=viewthread&tid=640619
http://120.26.60.68/forum.php?mod=viewthread&tid=1102207
http://bbs.uiiha.com/forum.php?mod=viewthread&tid=85944
http://sw.ydxwcm.com/bbs/viewthread.php?tid=53172&extra=
http://bbs.tianjihudong.com/viewthread.php?tid=117476&extra=
<a href="http://202.107.231.2461/forum.php?mod=viewthread&tid=3383499&extra=" target="_blank">http://202.107.231.2461/forum.php?mod=viewthread&tid=3383499&extra=
http://class.qxwgy.com/bbs/forum.php?mod=viewthread&tid=1093594
http://www.haosyx.com/forum.php?mod=viewthread&tid=421461
http://www.lsxzc.net/ShowPost.asp?ThreadID=95612
http://www.ningmenglt.cc/forum.php?mod=viewthread&tid=96387
http://bbs.aisopan.com/thread-126650-1-1.html
http://www.xin419.com/forum.php?mod=viewthread&tid=58117
http://tu.linuxaudiosystems.com/node/6#comment-108313777
http://122.10.25.130/forum.php?mod=viewthread&tid=2268755
http://www.shweather.com/bbs/showtopic-498446.aspx
http://kufudao.discus.me/thread-193594-1-1.html
http://bbs.gqezy.com/forum.php?mod=viewthread&tid=16784
http://www.zzxsp.com/forum.php?mod=viewthread&tid=235835
http://www.2017g.com/forum.php?mod=viewthread&tid=7797396
http://auto.ly.shangdu.com/thread-5778591-1-1.html
http://bbs.zams.com.cn/forum.php?mod=viewthread&tid=75770
http://www.ceszttc.com/forum.php?mod=viewthread&tid=414671
http://www.lfxyw.com/forum.php?mod=viewthread&tid=103717
http://freeat.net/forum.php?mod=viewthread&tid=1666201
http://qbhbbs.jfc.so/forum.php?mod=viewthread&tid=1182670
http://bbs.tianjihudong.com/viewthread.php?tid=117477&extra=
http://bbs.yioyou.com/thread-8987-1-1.html
http://bbs.fang33.cn/forum.php?mod=viewthread&tid=746572
http://www.ramyrahimi.com/home.php?mod=space&uid=118667&do=blog&quickforward=1&id=586493
http://120.26.60.68/forum.php?mod=viewthread&tid=1102249
http://pp.papaxiong.net/home.php?mod=space&uid=19426&do=blog&quickforward=1&id=10131826
<a href="http://www.gruot.net7/forum.php?mod=viewthread&tid=289004" target="_blank">http://www.gruot.net:87/forum.php?mod=viewthread&tid=289004
http://www.jzzq88.com/thread-365705-1-1.html
http://forum.u-hk.com/forum.php?mod=viewthread&tid=1182165
http://dzal3.view.55hl.net/bbs/forum.php?mod=viewthread&tid=113672
http://www.haoyuzq.com/forum.php?mod=viewthread&tid=19086
http://bbs.0575sxr.com/read.php?tid=9815&ds=1
http://www.iyoutaiwan.com/forum.php?mod=viewthread&tid=196304
http://didishe.org/forum.php?mod=viewthread&tid=3234588
http://tkminers.com/forum.php?mod=viewthread&tid=40079
http://www.niluan.cn/home.php?mod=space&uid=70742&do=blog&quickforward=1&id=232614
http://www.7cq.tv/thread-130082-1-1.html
http://lengzhaji.org/thread-373726-1-1.html
http://wuliu.sqapp.cn/forum.php?mod=viewthread&tid=329044
http://tu.linuxaudiosystems.com/node/6#comment-108313903
http://bbs.trcqu.com/forum.php?mod=viewthread&tid=640703
http://www.ramyrahimi.com/thread-1680295-1-1.html
http://www.shweather.com/bbs/showtopic-498505.aspx
http://122.10.25.130/forum.php?mod=viewthread&tid=2268928
http://kufudao.discus.me/thread-193600-1-1.html
http://www.xyw10.com/forum.php?mod=viewthread&tid=210844
http://kufudao.discus.me/thread-193601-1-1.html
http://www.zzxsp.com/forum.php?mod=viewthread&tid=235854
http://www.2016olb.com/thread-14435-1-1.html
http://bbs.mbtk.cn/forum.php?mod=viewthread&tid=27064
http://www.ceszttc.com/forum.php?mod=viewthread&tid=414693
http://hsba1.com/forum.php?mod=viewthread&tid=1276030
http://www.shweather.com/bbs/showtopic-498523.aspx
http://5798.aixiao5.com/forum.php?mod=viewthread&tid=206729
http://www.haosyx.com/forum.php?mod=viewthread&tid=421507
http://sw.ydxwcm.com/bbs/viewthread.php?tid=53177&extra=
<a href="http://202.107.231.246:81/forum.php?mod=viewthread&tid=3383529&extra=" target="_blank">http://202.107.231.246:81/forum.php?mod=viewthread&tid=3383529&extra=
http://bbs.kulhs.com/forum.php?mod=viewthread&tid=555480
http://bbs.uiiha.com/forum.php?mod=viewthread&tid=85966
http://forum.goldenantler.ca/forum.php?mod=viewthread&tid=104034
http://www.niluan.cn/home.php?mod=space&uid=70742&do=blog&quickforward=1&id=232622
http://bbs.0575sxr.com/read.php?tid=9816&ds=1
http://bbs.trcqu.com/forum.php?mod=viewthread&tid=640740
http://wuliu.sqapp.cn/forum.php?mod=viewthread&tid=329057
http://freeat.net/forum.php?mod=viewthread&tid=1666258
http://bbs.fang33.cn/forum.php?mod=viewthread&tid=746614
http://www.zbxc.win/forum.php?mod=viewthread&tid=883541
http://www.ningmenglt.cc/forum.php?mod=viewthread&tid=96405
http://www.jilongbbs.com/forum.php?mod=viewthread&tid=1488049
http://class.qxwgy.com/bbs/forum.php?mod=viewthread&tid=1093655
http://bbs.aisopan.com/thread-126652-1-1.html
http://auto.ly.shangdu.com/thread-5778633-1-1.html
http://qbhbbs.jfc.so/forum.php?mod=viewthread&tid=1182816
http://dzal3.view.55hl.net/bbs/forum.php?mod=viewthread&tid=113688
http://www.iyoutaiwan.com/forum.php?mod=viewthread&tid=196333
http://bbs.tianjihudong.com/viewthread.php?tid=117481&extra=
http://bbs.0575sxr.com/read.php?tid=9817&ds=1
http://pp.papaxiong.net/home.php?mod=space&uid=19426&do=blog&quickforward=1&id=10131958
http://www.lfxyw.com/forum.php?mod=viewthread&tid=103735
<a href="http://202.107.231.246:81/forum.php?mod=viewthread&tid=3383540&extra=" target="_blank">http://202.107.231.246:81/forum.php?mod=viewthread&tid=3383540&extra=
http://bbs.lofxp.com/forum.php?mod=viewthread&tid=259567
http://www.ramyrahimi.com/thread-1680408-1-1.html
http://www.niluan.cn/home.php?mod=space&uid=70742&do=blog&quickforward=1&id=232623
http://forum.u-hk.com/forum.php?mod=viewthread&tid=1182234
http://www.haosyx.com/forum.php?mod=viewthread&tid=421523
http://www.2017g.com/forum.php?mod=viewthread&tid=7797633
http://5798.aixiao5.com/forum.php?mod=viewthread&tid=206757
http://120.26.60.68/forum.php?mod=viewthread&tid=1102314
http://www.2016olb.com/thread-14437-1-1.html
http://2020yg.com/forum.php?mod=viewthread&tid=115376
<a href="http://www.gruot.net:87/forum.php?mod=viewthread&tid=289076" target="_blank">http://www.gruot.net:87/forum.php?mod=viewthread&tid=289076
http://bbs.kulhs.com/forum.php?mod=viewthread&tid=555529
http://www.shweather.com/bbs/showtopic-498580.aspx
http://www.xyw10.com/forum.php?mod=viewthread&tid=210893