Encyclopedia of Nutritional Psychology

A relationship that goes both ways, with each variable of interest affecting the other.

A bidirectional relationship is a two-way connection in which each side influences the other. In nutritional psychology, it describes how what we eat shapes how we think and feel, while how we think and feel shapes what we eat.

Binge eating refers to the consumption of an objectively large amount of food in a discrete period of time (e.g., within two hours), accompanied by a subjective sense of loss…

Binge eating disorder (BED) is a psychiatric eating disorder marked by recurrent episodes of eating an unusually large amount of food in a discrete period with a subjective loss of…

Biological classification groups living organisms based on their shared characteristics, reproduction, mobility, appearance, and functionality. Simply put, it is like a system of filling cards in the library. Each card…

biopsychosocial (adj.) — A framework, formalized by George L. Engel in 1977, in which health, illness, and behavior are understood as arising from the dynamic, bidirectional interaction of biological, psychological,…

The blood-brain barrier is a protective layer of cells and blood vessels surrounding the brain and spinal cord. It acts like a filter that prevents harmful substances, such as toxins…

Blue Zones are geographic regions identified by researchers Dan Buettner, Gianni Pes, and Michel Poulain as having unusually high concentrations of individuals who live to age 100 or beyond in…

Body image is the multidimensional psychological experience of one's own body, encompassing perceptions, thoughts, feelings, beliefs, and behaviors related to physical appearance and embodiment. It is commonly organized into perceptual,…

Body Mass Index (BMI) is a numerical measure of body size calculated as an individual's weight in kilograms divided by the square of their height in meters (kg/m²). It is…