The Achilles’ Heel of Nutrition Research

A four-panel illustrated comic strip in warm pastel tones featuring a hippo scientist and a cheerful pony assistant in a Mediterranean-style town.  Panel 1: A pink hippo in a lab coat sits at a table drinking from a gourd with a metal straw (mate-style) while reading a book titled “FOOD FREQUENCY QUESTIONNAIRE.” The hippo looks perplexed.  Panel 2: The hippo looks upwards, scratching its head with a worried expression. A thought bubble shows smiling cartoon foods dancing: a steak, a coffee bean, a garlic clove, and a dumpling—implying the hippo can’t remember what it ate.  Panel 3: A blue-maned pony in a lab coat walks up, smiling, holding a clipboard labeled “BIOMARKERS” with a bar graph. The hippo looks up in surprise and interest.  Panel 4: The hippo now smiles confidently, still sipping its drink. The food questionnaire is open on the table, and the background shows domed buildings and palm trees by a river—indicating a calm, resolved moment thanks to the biomarker insight.

One of the persistent, under appreciated challenges in medicine – and equally in nutrition and public health — is this: people are often not very good at following instructions.

According to some estimates by the WHO, only about half of all patients take their medications as prescribed. That’s not just an inconvenience, it undermines the effectiveness of treatment, increases the risk of side effects and drug interactions, and, in the case of antibiotics, contributes directly to antimicrobial resistance. That’s not just your problem or mine — that’s everyone’s problem.

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Originally published on Substack.

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