2023-08-03 17:48:00
Around 70% of new diagnoses of type 2 diabetes worldwide are attributable to dietary deficiencies, according to a study published in April 2023 in the journal Nature Medicine.
Type 2 diabetes is characterized by resistance of the body’s cells to insulin. Of the 184 countries included in the study, all experienced an increase in type 2 diabetes cases between 1990 and 2018.
Dariush Mozaffarian of Tufts University and colleagues conducted an analysis that looked at global data from 1990 and 2018.
Of the 11 dietary factors contributing to the disease considered in the analysis, the three that contributed the most to the increase in the global incidence of type 2 diabetes were:
insufficient consumption of whole grains; excess refined rice and wheat (white bread and others); excess processed meat.
Other factors with a lesser impact were excessive consumption of fruit juice and lack of non-starchy vegetables, nuts or seeds.
The study suggests that poor quality carbohydrates (which includes grains) “is one of the main contributors to diet-related type 2 diabetes worldwide, with large variations across countries and over time. “, explains the researcher.
Poor diet quality accounts for a greater proportion of the total incidence of type 2 diabetes in men compared to women, in young adults compared to older adults, and in urban residents versus rural residents globally.
Regionally, it is in Central and Eastern Europe and Central Asia – particularly in Poland and Russia, where diets tend to be high in red meat, processed meat and potatoes – that the the highest number of type 2 diabetes cases are diet-related. The incidence was also high in Latin America and the Caribbean, particularly in Colombia and Mexico, due to high consumption of sugary drinks, processed meat and low consumption of whole grains.
Regions where diet has less of an impact on type 2 diabetes cases are South Asia and sub-Saharan Africa – although the largest increases in type 2 diabetes due to poor diet between 1990 and 2018 have been observed in sub-Saharan Africa. Of the 30 most populous countries surveyed, India, Nigeria and Ethiopia had the fewest cases of type 2 diabetes linked to poor diet.
For more information, see the links below.
Psychomedia with sources: Tufts University, Nature Medicine.
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