Broccoli, the greener way to ward off heart attacks

London: This probably still won't encourage children to eat it, but the many healthy properties of broccoli include preventing a heart attack or stroke, say researchers.

A chemical found in the vegetable boosts the body's defence system to keep arteries unclogged. Cauliflower, sprouts and cabbage can also keep the blood flowing freely.

They all contain sulforaphane, along with rocket, kale and pak choi, but broccoli contains the highest levels.

The discovery by scientists at Imperial College London could finally crack the code to using the vital vegetable ingredient in treating heart patients.

Professor Peter Weissberg, medical director of the British Heart Foundation, which funded the research, said: "As well as adding evidence to support the importance of eating 'five a day', the biochemistry revealed in this research could lead to more targeted dietary or medical approaches to prevent or lessen disease that leads to heart attacks and strokes."