Prolonged standing can cause circulation issues like varicose veins and doesn't offset the risks of a sedentary lifestyle.

A health warning has been issued to anyone who uses a standing desk. The office set-up has become popular in recent years, especially for home working, and is often seen as a way to reduce the health risks associated with sitting all day at a computer.

Researchers have found that, over the long-term, standing more compared to sitting does not improve cardiovascular health - and could increase the risk of circulatory issues