Our recent research, published April 28, 2025, reveals another big picture hidden fact about protein sources. These two surprising discoveries emphasize their relationship to longer, healthier lives. This research studies a rich dataset of 101 countries, over time from 1961-2018. This study investigated the daily food supply available per person. It offered a demographic breakdown, providing an important view into who follows these dietary patterns and how these foods contribute to their health.
The study highlights a notable distinction in protein consumption between individuals who thrived in early life and those who thrived later on. Those who enjoyed the best health throughout their lifespan had access to a greater ABP and fat supply. Conversely, those who had flourish in their senior decades preferred a diet high in Plant-Based Protein (PBP). They specifically tried to cut back fats in their diet.
Researchers now contend that this change in dietary habits is the most important factor in improving health and longevity. These results highlight the positive impact of PBP, connecting it to longer life expectancy and healthier lives. They note that communities known for their longevity, referred to as “blue zones,” often share a common dietary trait: a predominance of plant-based foods.
“Researchers have proposed that a predominantly plant-based diet is one of the key common denominators contributing to the extended vitality and longevity observed in long-lived communities, also known as ‘blue zones’” – Nature Communications study
The dataset, covering 50 years, provides rich temporal and spatial coverage. This helps researchers better understand the state of dietary trends and their effects on public health. This rich, granular data provides important context to understand how different protein sources affect our health. Further, it provides us information on how these influences are shifting across the life course.
Furthermore, the study highlights the influence of diet on long-term health trajectories. ABP has the potential to greatly improve health in early life. Changing to PBP in older age is important to preserve quality of life and increase healthy or successful aging among individuals.
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