Here's a set of useful bits and bobs to make your powerpoint presentation heaps better.

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Have a break... you know the rest.

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• Taking lots of breaks from sitting at a desk is good for the waistline and heart health, research suggests.
• You don't have to stay chained to your desk all day to be productive. In fact, research shows that going out for a lunch break or even a 15-minute coffee break is what you really need to do if you want to improve your productivity and job performance.
• A change of scene or a change of pace is good for your mental health. It could be a five-minute pause from cleaning your kitchen, a half-hour lunch break at work or a weekend exploring somewhere new. A few minutes can be enough to de-stress you.
• Sitting still for long periods of time leads to the build up of substances in the blood that are harmful to health.
• Writing in the British Journal of Sports Medicine, Elin Ekblom-Bak and colleagues from the Swedish School of Sport and Health Sciences and the Karolinska Institute in Stockholm say research shows long periods sitting and lack of “whole body muscular movement” are strongly associated with obesity heart disease, cancer and diabetes, and an overall higher risk of death, irrespective of whether they take moderate or vigorous exercise.