The greens help a great deal in reducing the risks of heart diseases and also the problems associated with the circulatory system. With the help of researchers, the leafy greens such as spinach are known to have fiber and minerals like potassium and folate. These minerals and fiber play a significant role in the reduction of blood pressure. Moreover, the leafy greens contain antioxidizing vitamins that prevent the clogging of arteries by inhibiting the oxidization of cholesterol. According to research, cardiovascular diseases can be reduced by 11 percent by only serving nutritious leafy greens a day.