Brain Drain by Maiken Nedergaard | Free Audiobook

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Title: Brain Drain
Author: Maiken Nedergaard, Steven A. Goldman
Narrator: Jef Holbrook
Format: Unabridged
Length: 18 mins
Language: English
Release date: 02-16-16
Publisher: Scientific American
Genres: Science & Technology, Magazine & Radio

Summary:
The human brain weighs only about three pounds, or roughly 2 percent of the average adult body mass. Yet its cells consume 20 to 25 percent of the bodys total energy. In the process, inordinate amounts of potentially toxic protein wastes and biological debris are generated. Each day, the adult brain eliminates a quarter of an ounce of worn-out proteins that must be replaced with newly made ones, a figure that translates into the replacement of half a pound of detritus a month and three pounds, the brains own weight, over the course of a year.

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