What makes a winner Why do some succeed both in life and in business and others fail The winner effect is a term used in biology to describe how an animal that has won a few fights against weak opponents is much more likely to win later bouts against stronger contenders As Ian Robertson reveals it applies to humans too Success changes the chemistry of the brain making you more focused smarter more confident and more aggressive And the more you win the more you will go on to win But the downside is that winning can become physically addictive By understanding what the mental and physical changes are that take place in the brain of a winner how they happen and why they affect some people more than others Robertson explains what makes a winner or a loser and how we can use the answers to these questions to understand better the behaviour of our business colleagues employees family and friends