: This refers to the natural evolutionary desire to look at food. Historically, this helped humans find energy-dense resources; today, it is triggered by digital screens.
: The mere sight of "appetising" food images can trigger a release of the hormone ghrelin , which increases hunger and prepares the body for metabolism—even if you aren't physically hungry. appetisingness
The researchers introduce and explore several fascinating concepts regarding how we perceive food: : This refers to the natural evolutionary desire