According to a new report published by the journal JAMA Internal Medicine, eating whole grains appears to be associated with reduced mortality, especially deaths due to cardiovascular disease (CVD), but not cancer deaths.
Hongyu Wu, of the Harvard School of Public Health, Boston, and coauthors examined the association between eating whole grains and the risk of death using data from two large studies:
All the participants were free of cancer and CVD when the studies began.
The authors documented 26,920 deaths. After the data were adjusted for potential confounding factors including age, smoking and body mass index, the study found that eating more whole grains was associated with lower total mortality and lower CVD mortality but not cancer deaths.
The authors further estimated that every serving (28 grams/per day) of whole grains was associated with five percent lower total mortality or nine percent lower CVD mortality.
"These findings further support current dietary guidelines that recommend increasing whole grain consumption to facilitate primary and secondary prevention of chronic disease and also provide promising evidence that suggests a diet enriched with whole grains may confer benefits toward extended life expectancy," the study concluded.

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