Key points from article :
Research published in Nature Medicine finds the compound spermidine improves cardiovascular health.
Spermidine found in many foods including aged cheese, legumes and whole grains.
Study of 800 Italians found that eating more spermidine foods was also associated with lowered blood pressures.
Previous studies have shown it extends the lifespans of simple organisms such as fruit flies and roundworms as well as mice.