Neuroscientists have typically thought of energy supply to the brain as demand-based. A supply-limited view offers another perspective toward aging and why multitasking can be difficult.
Articles on blood flow to brain
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Thankfully treatment has moved on from the cold sponge of the amateur era. But brain damage continues to be a serious risk in many sports.
Wearing a tie that causes slight discomfort can reduce blood flow to the brain by 7.5%, but the reduction is unlikely to cause any physical symptoms, which generally begin at a reduction of 10%.


