The study explored that vegan diet is associated with improved psychological well-being in addition to reduction in the risk factors for Type-2 diabetes, and heart diseases.
For the study, researchers from the University of London, examined 433 people aged mid-50s, on average.
Results of the study, published in the journal BMJ, showed that while quality of life -- both physical and emotional -- improved significantly, depressive symptoms and nerve pain (neuropathic pain) also improved in people on plant-based diet.
In addition to a sharp fall of blood glucose levels in those who cut out or ate very few animal products, these participants also lost nearly twice as much weight.
The fall in blood fats -- a risk factor for cardiovascular disease -- was also greater in those on plant-based diets.
Those following a vegan diet were able to discontinue the drugs they were taking for their diabetes or high blood pressure.
"Furthermore, plant-based diets could potentially improve diabetic neuropathic pain and the levels of total cholesterol, cholesterol and triglycerides in Type-2 diabetes," the team said.
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