http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/1951.htm 2007-02-07 Fiber: you know you need to eat it. You are pretty sure it is good for you. And according to reports, you, like many other Americans, aren't getting anywhere as much fiber as you should. But what is fiber, really? And why is it good for you?