Individual responses to dietary interventions vary significantly, suggesting that personalized nutrition could be key to effective weight management and health outcomes.

The shift away from fat consumption towards more carbohydrates coincided with the rise of obesity and diabetes, suggesting a potential link between these dietary changes and health issues.

Diet is a strong driver of natural selection, as seen in populations like the Greenlandic Inuit, who evolved to metabolize high lipid content from marine mammals, impacting their health and survival.

Michael Pollan highlights the vast variety of diets that can support health globally, except for the standard American diet, which is largely unhealthy due to its processed nature.

Eating foods low in essential nutrients can lead to continuous eating, as the body seeks to fulfill its nutritional needs, often resulting in empty calories.

The rise of junk food and snacking in the 1970s has contributed to increased obesity rates due to its convenience and appeal.

Nutrition is widely accepted as a major source of diseases like diabetes, which has become much more prevalent over the last few decades compared to the 1980s.

The standard American diet, which is high in processed and packaged foods, is detrimental to health, unlike the traditional diets of indigenous peoples that have shown to prevent diseases like diabetes and heart disease.

We identified four major changes in nutrition over the last 30 to 50 years: a reduction in fat consumption, an increase in sugar intake, more food additives, and changes in mealtimes due to modern lifestyles.