The science or practice of using diet to treat disease and maintain health, including the principles and methods of nutrition therapy.
From 'diet' + '-ics' (a suffix creating a noun meaning 'the science or study of'), as in physics, mathematics, or economics. The term has been used since the 16th century in medical writings.
Dietics as a formal medical discipline dates back to ancient Greek and Roman physicians who believed 'let food be thy medicine'—they were essentially the first dietitians, developing the first therapeutic diet systems over 2,000 years ago.
Dietetics emerged as a profession in the early 20th century, initially framed as an extension of women's domestic labor rather than rigorous medical science, limiting institutional credibility.
Refer to 'dietetics' or 'clinical nutrition' as a medical science discipline; avoid language that reduces it to domestic food preparation or caregiving.
["clinical nutrition","medical nutrition therapy","nutrition science"]
Women pioneers in dietetics (e.g., Helen Corbitt, Ruth Eppright) developed evidence-based nutrition frameworks that transformed medical practice despite structural dismissal of their field.
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