“…This diet was reexamined by DASH investigators and subsequently by other groups to observe the reduced risk of hypertension in the USA (Nilsen et al, 2001;Singh et al, 1992a,b,c). In further randomized, controlled intervention trials, Singh et al (2002) and Sharma and Singh (2010), administered 400 g day À1 of fruits, vegetables, and nuts (almonds and walnuts) and another 400 g day À1 of whole grains including legumes in conjunction with 25-50 g day À1 of mustard oil (ALA 2.9 g day À1 ) in patients with high risk of vascular disease, which showed significant benefits (Almario et al, 2001;Obarzanek et al, 2001;Singh et al, 2008). Other workers also found a beneficial effect of fruit, vegetables, nuts, and ℵ-3 fatty acid (EPA þ DHA 1.8 g day À1 )-rich foods in patients at risk of CAD (Singh et al, 1992a(Singh et al, ,b,c, 2008.…”