Modern life isn't doing our hearts any favours. We sit too much (over nine hours a day, on average), are regularly overwhelmed by stress (now linked to chronic inflammation a key risk for heart disease) and fill more than half of our plates with ultra-processed foods (shown to drastically increase stroke risk). It's little wonder heart disease is now the world's number one killer, accounting for 13 per cent of all deaths on Earth. according to the World Health Organization.