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Our bodies have evolved over thousands of years based on the needs and challenges faced by our ancestors. Inherited physiology refers to the traits and characteristics passed down through generations, which were suited to past environments. Back in the hunter-gatherer era, humans faced inconsistent food supplies. To survive times of scarcity, our ancestors developed a metabolism that effectively stored energy as fat. This stored energy could then tide them over during periods when food was not available.
Today, we still carry this ancient metabolic ability to store energy efficiently. However, the scarcity of food that necessitated these adaptations is largely absent in the modern world. Our inherited ability to store fat efficiently becomes less of a survival mechanism and more of a liability when faced with continuous food abundance.

In the contemporary world, food has become plentiful and easily accessible. We often find ourselves surrounded by tempting, convenient food options. Modern diets are frequently packed with high levels of sugars, unhealthy fats, and refined carbohydrates. These components contribute to higher caloric intake than our bodies actually need for daily functioning.
Processed foods have become staples, replacing whole, nutrient-dense foods. This shift has led to increased calorie consumption without the corresponding nutritional benefits that whole foods provide. The speed and ease of access to such foods also mean we eat more frequently, consuming energy even when we are not hungry.

Calorie-rich foods are those that provide a high amount of energy in the form of calories and are often low in other essential nutrients. Examples include fast foods, sweets, snacks, and sugary beverages. These foods are designed to appeal to our taste buds, sometimes containing artificial ingredients to enhance flavor and encourage overconsumption.
The high caloric content of these foods, combined with their low nutritional value, poses a problem when consumed regularly. Our bodies convert excess calories into fat, leading to weight gain. As these foods are abundant, regularly eating them can lead to chronic overconsumption of calories, thus contributing significantly to obesity and metabolic disorders.

Metabolism is the process through which our bodies convert food into energy. This energy is necessary for everything our bodies do, from basic functioning to physical activity. Our inherited capacity for energy storage ensures we can survive periods where food might not be available, but this trait can become troublesome when food is constantly abundant.
When we consume more calories than we expend, our bodies store the excess energy as fat. This was beneficial in the past, as it ensured survival during lean times. However, in today’s consistent calorie-rich environment with less physical demand, this excess storage leads to obesity. Over time, continual energy surplus and resultant fat accumulation can trigger insulin resistance, a condition that contributes to the onset of type 2 diabetes.