Fact: We are outliving our brains. Life expectancy in the United States today is about 80 years old. Girls have a one in three chance of living to 100, while boys have one in four. The problem? Our cognitive brain performance peaks in our early 40s. That means mental functions like memory, speed of thinking, problem-solving, reasoning, and decision-making decline in the last 30 or 40 years of life. In Lisa’s Home School, learn some simple things you can do to increase brain power!