Most people think exercise works because it burns calories.That’s true — but it’s only the surface. Deep inside your cells, every workout flips a series of molecular switches that decide how your body uses, stores, and repairs energy.Dr. Robert Lustig, in his
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When it comes to health and performance, most people focus on calories or macros.But inside your body, eight microscopic systems determine whether you thrive or decline. Dr. Robert Lustig, in his book Metabolical, calls them the Eight Subcellular Pathologies — the real
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The Real Reason Exercise Works Most people think exercise works because it burns calories or builds muscle.But Harvard evolutionary biologist Daniel Lieberman, author of Exercised: The Science of Physical Activity, Rest, and Health, explains something deeper. The real benefit of training isn’t
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🧬What Science Says About Ancient Movement Most people believe our ancestors were constantly moving and burned thousands of calories each day. However, evolutionary biologist Daniel Lieberman, author of Exercised: The Science of Physical Activity, Rest, and Health, found a different story. Using
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What Happens Inside Your Body When You Exercise When you exercise, your body does far more than burn calories or build muscle.According to Harvard scientist Daniel Lieberman, author of Exercised: The Science of Physical Activity, Rest, and Health, physical activity triggers a
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If you’ve ever asked yourself “What’s the best way to burn fat — cardio or weights?” you’re not alone. Many people still think they must pick one: long runs or heavy lifting. But here’s the truth: you don’t need to choose. The
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What Is Reverse T3 (rT3)? Reverse T3 (rT3) is an inactive form of thyroid hormone that the body produces when it converts T4 (thyroxine) into T3 (triiodothyronine). While T3 is the active hormone responsible for regulating metabolism, energy, and body temperature, rT3
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Fat loss isn’t just about calories in vs. calories out. For years, many people have struggled with “stubborn fat” that refuses to go despite dieting, cardio, and weight training. Now, updated research gives us a better understanding of how fat is stored
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When it comes to burning fat and building a lean physique, many people believe that training on an empty stomach or avoiding carbohydrates will force the body to use fat as fuel. While this idea may sound logical, the science tells a
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The liver plays a crucial role in maintaining blood sugar stability by storing glucose as glycogen and releasing it when needed. In a healthy body, insulin signals the liver to stop releasing glucose when blood sugar is high. However, in diabetes, the
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