Metabolism Science

Understanding Metabolism

Learn how your body burns energy, adapts to calorie changes, and what you can do to optimize your metabolic health.

8 Articles

Metabolism12 min

Sleep and Weight Loss: What the Evidence Shows

Short sleep cut fat loss by 55% on an identical diet. What controlled trials show about sleep and weight loss — and why the hormone story is oversold.

Dr. Sarah Mitchell

MD Reviewed
Metabolism12 min

Ghrelin, the Hunger Hormone: What the Evidence Shows

Ghrelin rises when you diet and stays high a year later. What human trials actually show about the hunger hormone — and the LEAP2 drugs targeting it.

Emily Rodriguez

MD Reviewed
Metabolism12 min

Leptin Resistance and Weight Loss: What the Evidence Shows

Obesity means too much leptin, not too little. Here is what human trials actually show about leptin resistance — and whether you can do anything to reverse it.

Emily Rodriguez

MD Reviewed
Metabolism13 min

Brown Fat and Weight Loss: What the Evidence Shows

Brown fat burns calories to produce heat, but can you activate it to lose weight? Here is what human trials of cold exposure and mirabegron actually found.

Emily Rodriguez

MD Reviewed
Metabolism7 min

Muscle and Metabolism: How Lean Mass Affects Your Resting Metabolic Rate

Explore the relationship between muscle mass and metabolic rate, why preserving muscle during weight loss is critical, and how resistance training supports long-term metabolic health.

Emily Rodriguez

MD Reviewed
Metabolism10 min

How to Boost Your Metabolism: Evidence-Based Strategies That Actually Work

Discover what science actually says about boosting metabolism. Learn which strategies are proven to increase metabolic rate and which popular claims are myths.

Dr. Sarah Mitchell

MD Reviewed
Metabolism8 min

Metabolic Adaptation: Why Weight Loss Plateaus Happen and How to Overcome Them

Learn why your body fights weight loss through metabolic adaptation, what causes weight loss plateaus, and evidence-based strategies to break through them.

Emily Rodriguez

MD Reviewed
Metabolism12 min

How Metabolism Works: The Science Behind Energy Expenditure and Metabolic Rate

Understand the science of metabolism — how your body converts food into energy, the components of total daily energy expenditure (TDEE), and what really determines your metabolic rate.

Dr. Sarah Mitchell

MD Reviewed