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Category: Healthspan

Not Just Protein: The Critical Role of Fiber in Fat Loss

  • April 29, 2025

Protein gets all the hype—but are you overlooking the real secret to weight loss? In this video, Dr. Barry Sears breaks down the powerful combination of…

Categories: Ask Dr. Sears, Healthspan, Zone Science

Brain Fog and your Metabolism

  • March 17, 2025

Ever feel like your brain just isn’t firing on all cylinders? That’s brain fog—when your brain struggles to produce enough energy to function at its best.…

Categories: aging, Healthspan, Stages of Life

The #1 Factor for a Longer Life (It’s NOT Your Genes!)

  • March 11, 2025

What’s the secret to living longer—your genes or your lifestyle? 🤔 The answer is clear: lifestyle wins. While you may have 20,000 genes in your DNA,…

Categories: aging, Ask Dr. Sears, Healthspan

Calorie Restriction: The 500-Year-Old Secret to Longevity

  • February 17, 2025

Can eating less help you live longer? The idea dates back to the 16th century when Venetian nobleman Luigi Cornaro transformed his health with a strict,…

Categories: aging, Ask Dr. Sears, Benefits of Metabolic Engineering

Microplastics Are Everywhere—And They Might Be Destroying Your Brain

  • February 17, 2025

Microplastics are everywhere—and they’re making their way into your body. From the water you drink to the food you eat, these tiny plastic particles are nearly…

Categories: auto immune disease, chronic diseases, Healthspan

Healthspan vs Lifespan

  • January 9, 2025

What matters more: how long or how well you live? While lifespan measures total years, healthspan focuses on the quality of those years spent in good…

Categories: aging, Ask Dr. Sears, Healthspan

DrSears.com is the science site for the Zone. DrSears.com will help you stay updated on the rapidly changing scientific landscape of the role of nutrition to optimize the Resolution Response that is necessary to maintain optimal wellness in every stage of life.

Disclaimer: The contents of this website are based on the opinions of Dr. Barry Sears unless otherwise noted. ndividual articles are based upon the opinions of Dr. Barry Sears, who retains the copyright as marked. The information on this website is not intended to replace a relationship with a qualified healthcare professional and is not intended as medical advice. It is intended as a sharing of the knowledge and information from the research and experience of Dr. Barry Sears. Dr. Barry Sears encourages you to make your own healthcare decisions based on your research and in partnership with a qualified healthcare professional.

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Alzheimer’s Disease

  • November 13, 2024

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