Habit is learned behavior acquired through repetition, characterized by automatic and routine actions. These behaviors become ingrained in daily life, shaping individuals’ routines and responses to specific cues or contexts.

Habit formation is the process by which behaviors become automatic through consistent repetition. It involves establishing a routine or pattern that, over time, becomes ingrained in one’s daily life.

The habit loop is a psychological concept that describes the cyclical process through which individuals form and reinforce habits. It consists of three main components: cue (the trigger), routine (the actual behavior), and reward (the outcome).

Habitual intake refers to the regular and continuous intake of a food or substance instead of occasional intake. ‘Occasional’ intake is defined as having dessert 1-3 times per week, for example (as opposed to almost every day).

Health literacy refers to the ability of individuals to obtain, understand, and apply health information to make informed decisions about their health and well-being. It encompasses skills such as reading, writing, numeracy, and critical thinking in the context of health-related information and services.

Relating to or considered in terms of pleasant (or unpleasant) sensations.

Hedonic hunger refers to a strong desire or preoccupation with consuming food for the enjoyment and pleasure it brings rather than responding to actual physical hunger cues. It involves craving food based on the pleasurable eating experience rather than fulfilling a genuine nutritional need.

Helper T-cells are a subset of T-cells that assist in coordinating and regulating immune responses. They release signaling molecules to facilitate the activation of other immune cells, including B-cells and cytotoxic T-cells.

Herbal nootropics refer to natural substances derived from plants that are believed to enhance cognitive function, memory, and overall brain health. Unlike synthetic nootropics, these compounds are sourced from traditional medicine systems and are valued for their potential cognitive benefits.

High-density lipoprotein (HDL) cholesterol is considered beneficial because it helps remove excess cholesterol from the bloodstream, reducing the risk of heart disease. It is often referred to as “good cholesterol”.