Office workers spend a lot of time sitting down, increasing the risk of high blood pressure, heart disease, poor circulation and other conditions associated with sitting for prolonged periods. The free Varidesk app helps
minimise the dangers by reminding you to stand up every hour. For maximum benefits, use it with a Varidesk sit-stand platform that can be retrofited to your existing desk (see photo). Raise the Varidesk up when you need to stand and you can continue to use your computer as normal. Prices for the Varidesk start at £275.