"Dietary fibre intake and risk of cardiovascular disease: systematic review and meta-analysis"
BMJ
http://www.bmj.com/content/347/bmj.f6879 
"Conclusions Greater dietary fibre intake is associated with a lower risk of both cardiovascular disease and coronary heart disease. Findings are aligned with general recommendations to increase fibre intake. The differing strengths of association by fibre type or source highlight the need for a better understanding of the mode of action of fibre components."