Almost 50 years ago, a white, non-American athlete supported Black athletes protesting racial injustice. Peter Norman paid a price for taking a stand. Canada's Sidney Crosby is no Peter Norman.
Research shows there are some common struggles among those who retire from being professional athletes but players can be successful in careers after sport.
More male babies were born in South Africa nine months after the country hosted the 2010 World Cup. There's science behind it.