Little to no association between butter consumption and chronic disease or total mortality

Little to no association between butter consumption and chronic disease or total mortality

Butter consumption was only weakly associated with total mortality, not associated with cardiovascular disease, and slightly inversely associated (protective) with diabetes, according to a new epidemiological study which analyzed the association of butter consumption with chronic disease and all-cause mortality.

This systematic review and meta-analysis, published in PLOS ONE, was led by Tufts scientists including Laura Pimpin, Ph.D., former postdoctoral fellow at the Friedman School of Nutrition Science and Policy at Tufts in Boston, and senior author Dariush Mozaffarian, M.D., Dr.P.H., dean of the School.

Based on a systematic review and search of multiple online academic and medical databases, the researchers identified 9 eligible research studies including 15 country-specific cohorts representing 636,151 unique individuals with a total of 6.5 million person-years of follow-up. Over the total follow-up period, the combined group of studies included 28,271 deaths, 9,783 cases of cardiovascular disease, and 23,954 cases of new-onset type 2 diabetes. The researchers combined the nine studies into a meta-analysis of relative risk.

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