Why Do I Always Feel Hungry? The Science Behind Food Cravings and Snacking

12 Aug 2026 · 7 min
6:43

In this 10‑minute YouTube presentation, weight‑loss specialist Sandra Roycroft‑Davis explains why modern snacking can paradoxically increase hunger and undermine weight‑loss goals. She argues that the problem is not appetite itself but the pattern of frequent, processed‑food snacking that hijacks learned hunger cues, blood‑sugar regulation, and the brain’s reward system. She describes three core mechanisms: (1) habit‑driven cravings where the brain anticipates food at regular times regardless of physiological need; (2) rapid spikes and crashes in blood glucose caused by high‑glycaemic snacks, leading to a cycle of insulin release and renewed hunger; and (3) dopamine‑driven reward from sweet, salty, or crunchy textures that reinforces snack‑seeking behaviour. Roycroft‑Davis also highlights the mental toll of constant eating, noting that food occupies the mind and prevents true hunger signals from emerging. She proposes a shift toward satisfying, protein‑ and fibre‑rich snacks (Greek yoghurt, fruit with nuts, boiled eggs) and longer intervals between meals to let the stomach “speak” again. The talk concludes by positioning her Slim Pod Programme – offered with a 10‑day free trial – as a structured way to break the snacking habit and regain control over food choices.

Chapters

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