Chronic non-communicable diseases, including type 2 diabetes and several cardiovascular conditions, are strongly linked to dietary patterns. This paper summarizes available data on the effects of diets rich in vegetables, fruit, legumes and whole grains.

Particular attention is given to the difference between diets that exclude all animal products and those that simply reduce them, and how that distinction affects long-term outcomes. We also discuss the challenges of applying these recommendations locally, where affordability and availability of certain foods can be limiting factors.

The paper concludes that even a gradual shift in dietary patterns, without full elimination of specific food groups, can have a measurable positive impact on public-health indicators.