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More fruit, less diabetes
You don't hear much about diabetes anymore, because the world is struggling with an extremely annoying virus. But trust us, type 2 diabetes is a big, and growing problem. [Diabetes Res Clin Pract. 2018 Apr;138:271-81.] An increase in the consumption of fruit - especially apples - may alleviate this problem.
The researchers knew the study participants' diets at the time the study started. They then looked at which study participants developed type-2 diabetes in the 5 years that followed. The researchers also looked at the effects of diet over a 10-year period, but that part of the study failed. This post is therefore only about the effects of fruit over a period of 5 years.
Fruit juice provided little or no protection against diabetes, probably because the fibers and phenols, which are present in fruit and modulate glucose metabolism, are not present in most fruit juices. Or maybe fruit juice doesn't protect because fruit juices are quite high in sugars.
The researchers also looked separately at the protective effect of apples, citrus fruits and bananas. The effect of apples was the most convincing.
"Promoting a healthy diet and lifestyle which includes the consumption of popular fruits such as apples, bananas, and oranges, with widespread geographical availability, may lower type-2 diabetes mellitus incidence."