One in three deaths worldwide, or 17.9 million people, are now caused by heart and circulatory diseases, according to the World Health Organization (WHO). An individual's risk of CVD may be reduced by up to 10% by switching to the DASH diet or a diet high in fruits and vegetables, according to a recent study from the Beth Israel Deaconess Medical Center (BIDMC) at Harvard Medical School. You an read more top news on this site.