Now, let's get into some of the things you can do in your daily routine to reach higher mental levels — like more brain power and clarity! (inc.com)
On average, your arteries supply 20 - 25 % of your blood to the brain and if you are using more brain power by thinking, learning a new skill, or concentrating very hard, it can require up to 50 %! (ultrawellnesscenter.com)
Success in the 21st Century will require more brain power. (fairtest.org)