A 27-year-old British man has recently accomplished the astonishing feat of running the length of Africa. Russ Cook, from Worthing, West Sussex, set out on his 16,000km (9,940 miles) run on 22 April ...

Whether you’re a seasoned runner or not, you’ve probably heard of “runner’s high”. These experiences are usually attributed to a burst of endorphins that are released during a workout, but is it truly ...