This mechanism might be the brain’s answer to the lymphatic system, which moves fluid and waste in the rest of the body, but is absent in the brain. The discovery builds on a 2012 finding by ...

For more than a century, scientists have wondered: If it’s so hard for anything to get into the brain, how does waste get out? The brain has one of the highest metabolisms of any organ in the body, ...

It regulates body temperature, flushes out toxins ... Without water, the intestines struggle to move waste, leading to constipation and bloating. When water deprivation continues for more than ...