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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