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Dr. Mike's Fitness logo with gray lifter silhouettes and a blue female figure beside a barbell, plus the brand name and blue 'Plant-Powered Performance' text.
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Body Composition Science Holistic Health & Longevity Strength & Conditioning

Beyond Motivation: Identity-Based Habits for Long-Term Fitness

Mike Regan Jr. Aug 11, 2026
Endurance & Performance Holistic Health & Longevity Plant-Based Nutrition

Plant-Based Diets and Immune Resilience Under Heavy Training Load

Mike Regan Jr. Aug 9, 2026
Holistic Health & Longevity Strength & Conditioning

Sex and Exercise: Can Sexual Activity Replace or Enhance Your Workouts?

Mike Regan Jr. Aug 9, 2026
Body Composition Science Endurance & Performance Strength & Conditioning

Endurance Athletes Muscle Loss: Why Hypertrophy Training Is Critical

Mike Regan Jr. Aug 6, 2026
Body Composition Science Endurance & Performance Plant-Based Nutrition

Muscle Oxygen Utilization vs Oxygen Delivery: Beyond VO2 Max

Mike Regan Jr. Aug 5, 2026
Body Composition Science Holistic Health & Longevity Strength & Conditioning

Sleep Debt Sabotages Fat Loss More Than Diet Mistakes — Here’s Why

Mike Regan Jr. Jan 19, 2026

Sleep debt undermines fat loss more than common diet mistakes. Discover how poor sleep disrupts hormones, metabolism, appetite, and recovery with science-backed insights.

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Body Composition Science Endurance & Performance Holistic Health & Longevity Strength & Conditioning

Myth: Aerobic Exercise and Weight Loss, the Ultimate Combination

Mike Regan Jr. Jan 18, 2026

Aerobic exercise improves health, but it’s a weak standalone weight-loss strategy. Learn why cardio alone fails—and what evidence-based approaches actually drive fat loss.

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Endurance & Performance Nutrition & Supplementation Plant-Based Nutrition

Creatine for Plant-Based Athletes: Performance, Cognition, and Longevity

Mike Regan Jr. Jan 18, 2026

Creatine for plant-based athletes supports performance, cognitive function, and healthy aging. Learn why supplementation matters when dietary creatine is absent.

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Body Composition Science Holistic Health & Longevity Strength & Conditioning

Cardiorespiratory Fitness and Mortality: Why Fitness Beats Weight Loss

Mike Regan Jr. Jan 17, 2026

Cardiorespiratory fitness is a stronger predictor of mortality than weight loss. Learn why aerobic fitness matters more for longevity and long-term health.

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Endurance & Performance Nutrition & Supplementation Plant-Based Nutrition

Plant-Based Protein Quality: Why PDCAAS & DIAAS Miss the Bigger Picture

Mike Regan Jr. Jan 16, 2026

Explore the limitations of PDCAAS and DIAAS for plant-based proteins and learn a more practical, performance-aligned view of plant-based protein quality for fitness and health.

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Body Composition Science Holistic Health & Longevity Strength & Conditioning

The Psychological Cost of Chronic Dieting in Fitness-Focused Adults

Mike Regan Jr. Jan 15, 2026

Chronic dieting may undermine mental health, performance, and long-term body composition. Learn the psychological cost of chronic dieting in fitness-focused adults and evidence-based alternatives.

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Endurance & Performance Nutrition & Supplementation Plant-Based Nutrition

Plant-Based Diets and Iron Status in Athletes: Separating Myth From Mechanism

Mike Regan Jr. Jan 14, 2026

Are plant-based diets and iron status in athletes something to worry about? Explore iron status, absorption mechanisms, and performance implications backed by science.

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Endurance & Performance Holistic Health & Longevity Strength & Conditioning

Heart Rate Variability (HRV): Useful Tool or Overhyped Metric?

Mike Regan Jr. Jan 13, 2026

Heart rate variability (HRV) is everywhere in fitness—but is it truly useful or just overhyped? Learn when HRV matters and when it doesn’t.

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Body Composition Science Holistic Health & Longevity Strength & Conditioning

Motivation and Fitness Success: Why Motivation Alone Isn’t Enough

Mike Regan Jr. Jan 12, 2026

Why motivation and fitness success are not always congruent? Discover how habits, consistency, and systems are the real drivers of lasting health and performance.

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Endurance & Performance Nutrition & Supplementation Strength & Conditioning

Electrolytes, Sodium, and Performance: How Much Is Actually Needed?

Mike Regan Jr. Jan 11, 2026

Electrolytes and performance are closely linked. Learn how much sodium you actually need for training, endurance, recovery, and long-term health.

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Body Composition Science Holistic Health & Longevity Strength & Conditioning

The Weight Loss and Wellness Connection

Mike Regan Jr. Jan 10, 2026

Explore the weight loss and wellness connection, why health goes beyond the scale, and how sustainable habits support physical, mental, and emotional wellbeing.

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Endurance & Performance Holistic Health & Longevity Plant-Based Nutrition

Plant-Forward Diet Explained: Why It Doesn’t Mean Vegan Only

Mike Regan Jr. Jan 10, 2026

A plant-forward diet doesn’t require going vegan. Learn what plant-forward really means, how it supports health and performance, and how to apply it sustainably.

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Endurance & Performance Holistic Health & Longevity Strength & Conditioning

Zone 2 Training Benefits: Helpful, Overhyped, or Just Right?

Mike Regan Jr. Jan 7, 2026

Discover what science really says about Zone 2 training benefits. Learn when it works, when it falls short, and how to use it effectively for fat loss, endurance, and health.

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Body Composition Science Holistic Health & Longevity Strength & Conditioning

Recovery for Fat Loss: Why It’s the Missing Variable in Most Programs

Mike Regan Jr. Jan 6, 2026

Recovery for fat loss is often overlooked. Learn how sleep, stress, and proper training recovery improve metabolism, results, and long-term success.

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Endurance & Performance Holistic Health & Longevity Plant-Based Nutrition Strength & Conditioning

Vegan Cookbooks for Health and Performance: Top 5 Picks That Actually Deliver

Mike Regan Jr. Jan 4, 2026

Looking for vegan cookbooks for health and performance? These top 5 plant-based cookbooks support energy, recovery, muscle, and long-term wellness.

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Author Details

Dr. Mike Regan Jr.

Dr. Mike Regan Jr.

Dr. Mike is a researcher, professor, and plant-based endurance athlete. He translates the complex science of human performance and longevity into daily, actionable protocols for fitness enthusiasts and endurance athletes alike. Follow the blog for evidence-based insights on training, nutrition, and sustainable recovery.

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    • Body Composition Science
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    Featured Posts

    Beyond Motivation: Identity-Based Habits for Long-Term Fitness

    Aug 11, 2026
    Plant-Based Diets and Immune Resilience Under Heavy Training Load
    Aug 9, 2026
    Sex and Exercise: Can Sexual Activity Replace or Enhance Your Workouts?
    Aug 9, 2026
    Endurance Athletes Muscle Loss: Why Hypertrophy Training Is Critical
    Aug 6, 2026
    Muscle Oxygen Utilization vs Oxygen Delivery: Beyond VO2 Max
    Aug 5, 2026
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