Episode 179: The Lifespan of a Diet Trend – Why Some Stick and Others Fade


Episode 179: The Lifespan of a Diet Trend – Why Some Stick and Others Fade

Diets come and go, but why do some trends stick while others fade into obscurity? In this episode of the Real World Nutrition Podcast, Shelley takes a deeper dive into diet trends through the decades—from the Grapefruit Diet of the 1950s to the rise of keto and intermittent fasting.

What have we learned from these trends? Many diets promise quick fixes but fail in sustainability. Some resurface under new names, while others quietly disappear. 

Learn why certain diets gain traction, why they often fail, and what truly works for long-term health.

Drawing from the carrot vs. stick approach to behavior change, Shelley discusses how motivation, restriction, and sustainability impact diet success. Do people respond better to strict rules or flexibility? How do social trends and marketing influence what we eat?

🎧 Tune in to find out how to move beyond fad diets and focus on real, sustainable nutrition.

Read more: Diets Through the Decades: What Have We Learned?

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Shelley Rael, MS RDN

Shelley A. Rael, MS RDN, is a dedicated Registered Dietitian Nutritionist based in New Mexico, USA. As the owner of Real World Nutrition, her private practice, she's passionate about guiding individuals toward eating and living healthier in the real world. Beyond one-on-one consultations, Shelley is a multifaceted professional. She's a podcaster, author, speaker, and consultant known for her commitment to dispelling nutrition myths and providing evidence-based information. Her mission is to empower people to achieve improved health, wellness, and energy without resorting to restrictive diets or misinformation.

https://www.shelleyrael.com/
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Episode 180: Meal Planning with a Purpose: A Flexible Approach to Nutrition

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Episode 178: Finding Your Motivation for Consistency with Your Health and Wellness Goals