Many people have a tendency to gorge on rich, fatty foods. How could such a preference have evolved?1. Fatty foods are very rich in calories and consuming them is an efficient way to gain weight.2. In ancestral hunter-gatherer communities, individuals with a tendency to gorge on such foods when available would have had a selective advantage.3. Most people find fatty foods tasty and satisfying.

2. In ancestral hunter-gatherer communities, individuals with a tendency to gorge on such foods when available would have had a selective advantage.

Explanation:

From their earliest times, the hunter-gatherer diet included various grasses, leaves, fruits, and seeds. They used to hut for animals as well. The animal meat was the rich source of fat which was the dense source of energy that can be supplied when instant energy required without conducting hunting and gathering again. This was a selective advantage in the early human life as the food was not readily available and used to require effort for fetching.  

Thus since, the early age till the time today the fatty foods are the preference for fulfilling the fat and energy storage requirement of the body.  

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