Diseases like heart ailment, diabetes, and hypertension can be reversed by eating more rice, lentils, and vegetables - staples of the traditional Indian diet - and avoiding dairy products, Physicians Committee for Responsible Medicine said in a statement.
According to the World Health Organisation, more than 69 million people in India have been diagnosed with diabetes.
With 71 million more thought to be prediabetic, India faces a serious public health crisis if nothing changes. India in fact is considered as the diabetic capital of the world.
In Mumbai alone, about 80 people die each day from heart attacks, said Zeeshan Ali with Physicians Committee.
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Ali however, said diets like rice and flour must have fiber contents - like brown rice or whole grain flour - which helps in metabolism and thus a great help to those having diabetes.
"With chronic disease rates skyrocketing throughout the country, I feel it is my duty to help other people of Indian-origin learn how to prevent and manage these diseases through the foods they eat," he said.
"Bollywood actor Aamir Khan uses a plant-based diet for disease prevention, while actress Alia Bhatt has recently traded in meat for greens and fruit," he said in a statement.
According to Ali, several recent studies have shown that a plant-based diet can fight hypertension, heart disease, and diabetes.
Blood pressure and vegetarian diets, a global meta-analysis inJAMA Internal Medicine, found that a vegetarian diet can lower blood pressure and reduce the risk of heart disease, he said.
Results showed an approximate 20 to 25 per cent reduction in heart disease and type 2 diabetes risks as well as lower cholesterol levels, blood pressure, and inflammatory markers for those who consumed plant-based diets.
Long-term adherence to these diets resulted in better weight management. The health benefits of a plant-based diet don't stop there, Ali said.
The Academy of Nutrition and Dietetics, the world's largest organisation of nutrition professionals, recently concluded that vegan diets are appropriate for all stages of the life cycle (pregnancy, infancy, childhood, etc).