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(HealthDay News) – Greater consumption of particular whole fruits such as blueberries is associated with a lower risk of developing type 2 diabetes, while consuming more fruit juice is associated with a higher risk of type 2 diabetes, according to a study published online Aug. 29 in BMJ.
Isao Muraki, MD, PhD, from the Harvard School of Public Health in Boston, and colleagues analyzed the risk of type 2 diabetes based on fruit consumption among 187,382 health professionals who were free of major chronic diseases at baseline.
The researchers found that 12,198 participants developed type 2 diabetes during 3,464,641 person years of follow-up. After adjusting for lifestyle and other factors, the pooled hazard ratio for type 2 diabetes was 0.98 for every three servings per week of total whole fruit consumption. The associations varied significantly for individual fruits, with pooled hazard ratios ranging from 0.74 for blueberries to 1.1 for cantaloupe. The pooled hazard ratio for type 2 diabetes for the same increment of fruit juice consumption was 1.08.
“Greater consumption of specific whole fruits, particularly blueberries, grapes, and apples, is significantly associated with a lower risk of type 2 diabetes, whereas greater consumption of fruit juice is associated with a higher risk,” Muraki and colleagues conclude.
