Psychology offers a few justifications for why people have various food choices and eating habits. The evolutionary theory describes how our predecessors' diets influenced our current food preferences. According to evolutionary theory, our natural food choices are designed to maximise our chances of survival and ensure that our progeny have the same "successful" food preferences. According to the hypothesis, people appreciate particular foods because their ancestors in our families did. These preferences were passed on since they were those of the "fittest," or those who survived. There are various theories for eating behaviour and preferences, even if the evolutionary theory of eating behaviour is one way to look at them. Culture is a major factor in the different ways people view food. Due to food availability or religious tenets, people from different cultural backgrounds frequently eat different foods. The behavioural approach to eating behaviour is the third strategy. This strategy makes the assumption that a person's surroundings affects the psychology of eating behaviour. So, rather than a person's ancestry or culture having an impact on their relationship with food, it is what and who they are surrounded by.