Green leafy vegetables should be a part of our diet. How can you support this statement ?

Explanation

1) Green leafy vegetables are an important part of a healthy diet.
2) They are rich in vitamins, minerals and fibre but low in calories
3) They reduces risk of obesity, heart diseases and high blood pressure.
4) They are rich source of minerals such as iron, calcium and phosphorous.
5) They acts an antioxidants in the body.
6) So I appreciate the role of green leafy vegetables in maintaining our health.