Team sports aren't my thing. I find it easier to pick something up if I can do it at my own speed. And you don't need a partner to go running you don't need a particular place like in tennis just a pair of trainers.
A handful of works in history have had a direct impact on social policy: one or two works of Dickens some of Zola 'Uncle Tom's Cabin' and in modern drama Larry Kramer's 'The Normal Heart.'