The Noah Project

Rebuilding a sustainable world.

Brain Washing

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The Dish

Why do we sleep? According to Aric Prather, “Not only is sleep good for your well-being, it appears to start that dishwasher in your brain”:

In a recent study, researchers used mice to understand how sleep affects the ability of the brain to “wash away” the toxins from the day. Essentially, waste materials accumulate in the brain as byproducts of everyday brain activity. Cerebrospinal fluid (CSF), which bathes the brain, gathers up these waste products and flushes them out of the system.

How does this happen? Well, there is space between brain cells, known as the interstitial space. It is in this space that CSF interacts with interstitial fluid (ISF) to remove these unwanted byproducts. The larger the interstitial space, the better able CSF interacts with this ISF – and with that you get better, more effective brain cleaning.

The researchers used sophisticated measures of diffusion and imaging to see how this process differed in…

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Author: Daniela

I was born in Croatia, at that time Yugoslavia. My family moved to the US when I was very young, but I still treasure the memories of my grandfather teaching me how to protect myself against the "evil eye," my grandmother shopping early every morning, at the open air market, to buy the freshest vegetables for the day's meals, and the traditions that were the underpinnings of our society. Someone once noted that "For all of us that want to move forward, there are a very few that want to keep the old methods of production, traditions and crafts alive." I am a fellow traveler with those who value the old traditions and folk wisdom. I believe the knowledge they possess can contribute significantly to our efforts to build a more sustainable world; one that values the individual over the corporation, conservation over growth and happiness over wealth.

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