Most people would consider running a marathon the pinnacle of fitness – but not Russ Cook. The endurance athlete has just completed a 9,940-mile (16,000km) run along the entire length of Africa.
While Cook told reporters that he was a “little bit tired” and in need of a strawberry daiquiri after completing his odyssey, scientists who spoke to the Guardian suggested the road to recovery could be rockier than he anticipates.
