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How to (Literally) Clean Your Brain
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Key Ideas
During sleep, a sewage system in the brain, called the glymphatic system, kicks into high gear. As you enter deep sleep, this sanitization system cleanses the brain of a sticky, toxic protein linke...
Poor sleeping swells concentrations of a hormone that makes you feel hungry while suppressing a companion hormone that otherwise signals food satisfaction. Despite being full, you will still want to eat more.
And if you try to diet but don’t get enough sleep while doing so, it is futile, since up to 70% of the weight you lose will come from lean body mass, not fat.
Routinely sleeping less than six hours a night also compromises your immune system, significantly increasing your risk of cancer.
So much so, that recently the World Health Organization classified any form of night-time shiftwork as a probable carcinogen.
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Key Ideas
Drinking tea is good for the brain, helping regulate the age-related decline. It also strengthens the brain connections, the neural network inside the brain, making information processing more efficient.
Even coffee is said to be good to ward off the onset of Alzheimer’s disease.
Anything that is bad for the heart is bad for the brain, including smoking cigarettes, or having a sedentary lifestyle, or having diabetes.
Your blood sugar, body mass index, diet and blood pressure all contribute to the health of your heart, and your brain.