It is an extraordinary claim to say that people think as fast in their 30s as 30s. Billions of people have direct experience over thousands of years. Yes, accu

It is an extraordinary claim to say that people think as fast in their 30s as 30s. Billions of people have direct experience over thousands of years. Yes, accumulated knowledge and wisdom can make you more successful with age. It doesn't mean your fluid intelligence and ability to learn new things is keeping up.