Exercises you can do at your desk to counter sedentary job

An hour's "brisk exercise" each day offsets the risks of early death linked to a desk-bound working life, scientists suggest.

The analysis of data from more than a million people is part of a study of physical activity published in the Lancet to coincide with the Olympics.

Being inactive is known to increase the risk of conditions such as heart disease, diabetes and some cancers and has been linked to 5.3 million deaths globally a year - compared with 5.1 million linked to smoking.

How can you fit exercise into your busy life though? The Victoria Derbyshire programme heard from personal trainer Lauretta Johnnie and Lucy Wilkinson, a senior cardiac nurse at the British Heart Foundation.