British woman to run London Marathon in honour of ex-boyfriend

“When she said she was going to run a marathon, I had my doubts,” said her ex-boyfriend

WATCH: the brain-changing effects of exercise

Neuroscientist Wendy Suzuki explains why regular exercise is the best thing you can do for your brain

7 reasons to listen to music while you run

Listening to your favourite tunes while running can boost your mood and your performance