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Sigma Nutrition Radio

Jun 24, 2025

For decades, dietary guidelines—and the Food Pyramid in particular—have been at the center of heated debates and considerable controversy. These guidelines have often been accused of being influenced by industry interests, oversimplifying nutritional nuance, or even directly contributing to rising obesity and...


Jun 17, 2025

Inflammation has become a nutrition buzzword, often used in extreme or misleading ways. This episode aims to clarify what inflammation is, how it relates to diet and health, and whether specific foods truly provoke inflammatory responses in the body.

The episode provides a nuanced, evidence-based look at inflammation...


Jun 10, 2025

GLP-1 receptor agonists have changed the landscape of obesity treatment, offering levels of weight loss once thought unattainable without surgery. But what happens after the weight is lost? And can we really talk about success without talking about maintenance?

While much of the public discourse fixates on dramatic...


Jun 3, 2025

Zinc is an essential micronutrient that often flies under the radar, despite being vital for hundreds of enzymes and transcription factors involved in immunity, antioxidant defense, and DNA repair.

A surprisingly large segment of the population may not get enough – an estimated 10% of U.S. individuals consume less...