"If 50 is the new 40 and 60 is the new 50, what’s the new 70? Well, it seems safe to at least say that 70 isn’t what it used to be. And that’s good. Because a new study finds that 70-year-olds did better on intelligence tests than 70 year olds used to do. ... The researchers say the newer seniors had numerous advantages. They had better pre and postnatal care than their predecessors. They also had better nutrition, a higher quality education, and better treatment of high blood pressure and cholesterol. And, the researchers say, today’s high-tech life also helps keep you sharp."