Eat Your Age
Ian Smith
Thrive at every age with practical nutrition, movement, and lifestyle habits that support energy, metabolism, and lasting health.

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Outline
What's it about?
Eat Your Age (2025) explains how nutritional needs, physical activity, sleep, and other health priorities may change across different decades of adulthood. Ian Smith provides age-specific suggestions intended to support energy, strength, metabolic health, and healthy ageing without treating one diet as suitable for everyone. The book encourages gradual and sustainable habits, although readers with medical conditions or specialised nutritional needs should adapt its guidance with qualified health professionals.
Key ideas
- Nutritional needs, physical activity, sleep and other health priorities can change from one decade of adulthood to the next.
- Ian Smith offers age-specific suggestions aimed at supporting energy, strength, metabolic health and healthy ageing.
- No single diet suits everyone, so the book avoids treating one approach as the answer for every reader.
- Gradual, sustainable habits are encouraged over dramatic overhauls, in food, movement and sleep.
- Readers with medical conditions or specialised nutritional needs should adapt the guidance together with qualified health professionals.
About the author
Ian Smith is an American physician, author, and television personality known for writing accessible books about nutrition, weight management, fitness, and healthy habits. He has contributed to public health initiatives and appeared in media programmes that explain medical and lifestyle topics to broad audiences. His work emphasises practical planning, gradual improvement, and adapting health choices to individual circumstances.
Questions people ask
What is Eat Your Age by Ian Smith about?
It explains how nutrition, physical activity, sleep and other health priorities may change across the decades of adulthood. It offers age-specific suggestions to support energy, strength and metabolic health.
Who is Eat Your Age for?
It suits adults of any age who want practical habits that match their current stage of life. Anyone with a medical condition or specialised nutritional needs should adapt its guidance with a qualified health professional.
How long is the Durar summary of Eat Your Age?
The Durar summary takes about 15 minutes to read or listen to. It covers the book's main ideas on matching food, movement and sleep to your age.
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