Potassium-rich diet may cut risk of heart failure by 24%! Eating foods such as avocados, bananas and spinach linked to lower risk of heart conditions, hospitalisation or death https://www.theguardian.com/society/2025/aug/29/potassium-rich-diet-may-cut-risk-of-heart-failure-by-24-per-cent-study Potassium increases the amount of salt your body removes from the bloodstream