Monday, December 01, 2014
The Indian diet incorporates a lot of yogurt, either as a refreshing drink in buttermilk or traditionally while wishing good luck. Now, researchers from the Harvard School of Public Health have found that consuming a 28 g serving of yogurt every day was associated with an 18% lower risk of developing type-2 diabetes, an association shown by none other dairy foods.
Published in the journal BMC Medicine, the study aimed to evaluate the association between total and individual types of dairy product consumption with the incidence of type-2 diabetes among adults.
The researchers compiled the results of three large cohort studies and 194, 519 participants were deemed eligible. At the beginning of the study, these participants filled out a health and lifestyle questionnaire and were free from diabetes, cardiovascular disease and cancer. They were then followed up for 2 years with further questionnaires. Those not reporting the consumption of dairy products were excluded.
A total of 15,156 new cases of type-2 diabetes were identified during the follow-up period. The researchers did not find any association between type-2 diabetes risk and total dairy consumption. The researchers then explored the association with individual dairy products like cheese, skimmed milk, whole milk, and yogurt after adjusting for dietary factors, age and BMI. They found that only high yogurt intake was associated with a lower risk of type 2 diabetes development.
The researchers then conducted a meta-analysis of studies evaluating the link between dairy products and diabetes which further corroborated this finding. "The consistent findings for yogurt suggest that it can be incorporated into a healthy dietary pattern," However, randomized clinical trials are warranted to further examine the causal effects of yogurt consumption as well as probiotics on body weight and insulin resistance," commented the researchers suggesting a possible role of yogurt probiotics in lowering the risk.
Worldwide, diabetes affects around 366 million people and this number is expected to rise to 552 million by 2030. It is important to control this epidemic and one of the ways to do so may be to include yogurt in the diet in addition to adhering to a disciplined lifestyle.
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