Final answer:
Hunger is a complex motivational drive that is affected by both physiological signals and social and psychological factors. These non-biological influences include cultural food preferences, emotions, and exposure to advertisements, which all can significantly affect eating behaviors.
Step-by-step explanation:
Hunger is a motivational drive influenced by various factors. It is not accurate to say that we are only affected by a biological desire to eat whenever we get hungry. Instead, hunger and eating are complex behaviors that are regulated by both physiological mechanisms and psychological factors, which include social and cultural influences. Physiologically, hunger is triggered by signals from our bodies such as stomach contractions or low blood glucose levels, that encourage us to seek food.
However psychological factors play a significant role too. Factors such as exposure to food advertisements cultural food preferences, and emotions can also strongly influence our desire to eat. Furthermore, social situations and even certain patterns of behavior, known as habits, can affect our eating behaviors. Therefore, it is clear that social and psychological factors do indeed have a substantial impact on what, when and how much we eat alongside our innate biological signals.