article_snippet: Previously, Dr Mosley, a former City banker, has explored the benefits of high intensity exercise and intermittent fasting.
article_snippet: Dr Mosley, a former City banker was credited with popularising the 5:2 diet via the Eat, Fast, and Live Longer documentary.
article_snippet: This involves fasting for two days a week and then unconstrained eating the other five days.
article_snippet: The diet has since been followed by celebrities such as Jennifer Aniston, Gwyneth Paltrow and Jennifer Lopez.