One of the most common questions I hear as a member of the Physicians Association for Nutrition (PAN) is simple but important: what is the best diet for good health? Every year, new diets come into the spotlight — keto, low-carb, high-protein, intermittent fasting — but most of these are hard to maintain over the long term. When experts look at diets carefully, considering safety, nutrition, ease of diet, and overall health outcomes, one approach stands out: eating a plant-rich, balanced diet.
Plant-based foods are very important for staying healthy and preventing diseases. Eating more vegetables, fruits, grains, pulses, and nuts gives our body the vitamins, minerals, and fibre it needs to stay strong. Studies show that a diet rich in plants lowers the risk of heart disease, diabetes, and even some cancers. It also maintains weight and lowers the need for medicines.
A diet that is focused on vegetables, fruit, whole grains, pulses, legumes, and nuts provides the nutrients our bodies need and protects us against disease.
The evidence keeps showing that plant-based diets can halve the risk of heart disease, type 2 diabetes, obesity, certain cancers, high blood pressure, and even mental health problems such as depression. People who consume plant foods on a daily basis are more likely to be of normal weight, have improved blood sugar regulation, and require less medication down the line. On the other hand, overconsumption of processed foods, fried foods, sweetened drinks, and excessive meat sets one up for chronic disease.
This may lead to heart attacks, strokes, diabetic complications, cancer, kidney disease, and reduced life expectancy after many years.
In India, the good news is that plant-based eating is feasible and low-cost. Our traditional thali already contains most foods that ensure long-term health. The key issue today is that many people have moved away from home cooking to processed, fried food, and sweets. The effects of this change are drastic. Even one or two years of eating fast food, packaged food, and sweetened drinks on a daily basis can raise cholesterol, increase blood sugar, and strain the liver and kidneys.
Over decades, it raises the risk of obesity, diabetes, heart disease, and certain cancers. On the other hand, returning to uncomplicated, vegetable-dominated diets can prevent these diseases and even reverse the initial stages of chronic diseases.
For health personnel working in rural or resource-scarce environments, advocating plant-based diets is feasible and effective.
A few simple steps are to encourage families to grow small kitchen gardens with seasonal greens and vegetables, insist on the inclusion of locally available pulses and legumes in every meal, suggest fruits as snacks instead of packaged foods, and recommend patients use traditional oils in moderation. Even small changes, if repeated over time, can make a profound difference in preventing long-term health problems and improving quality of life.
By returning to these basics — dal, vegetables, whole grains, fruits, nuts, and traditional oils — we can prevent chronic health problems, energise our communities, and turn the Indian thali into a force for health, longevity, and wellbeing. Plant-based eating is simple, sustainable, and proven to protect against disease. For doctors and citizens alike, it remains the best choice for lifelong health.
In conclusion, the best diet for lifelong health is a simple, balanced, plant-rich approach. Vegetables, fruits, whole grains, pulses, legumes, and nuts provide essential nutrients, protect against chronic diseases, and improve overall wellbeing. In India, this is both affordable and practical, as our traditional thali already contains these foods. By reducing processed, fried, and sugary items, and returning to natural, home-cooked meals, we can prevent illness, enhance longevity, and make plant-based eating the foundation of sustainable health.
The writer is physician and a public health advocate