Key points from article :
One in 12 deaths could be prevented with 30 minutes of physical activity five days a week.
That’s the conclusion from the world’s largest study of physical activity, which analysed data from more than 130,000 people across 17 countries.
People who spent more than 750 minutes walking briskly each week reduced their risk of premature death by 36 per cent.
The study was published in The Lancet journal.
