Exercise

Exercise is planned, structured physical activity performed to improve your health, fitness, and physical function. This section of our library covers evidence-based guidance on exercise and movement for long-term health.

Topics include strength training, endurance exercise, movement quality, training principles, and the physiological changes that occur in response to regular exercise. Our aim is to explain not just what to do, but also why it works.

Whether you're only just starting to exercise, returning after time off, or looking to understand how training supports long-term health, this section is here to provide evidence-based advise.

Resistance Training

The 3 key principles of muscle growth

An overview of three foundational principles that underpin muscle hypertrophy: training intensity, volume, and progressive overload.
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Does testosterone build muscle?

An overview of testosterone’s role in muscle growth, exploring how training, nutrition, sleep, and lifestyle influence your natural levels.
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Minimalist training for muscle growth

A critical look at minimalist approaches to muscle growth, examining whether lower training volumes can still deliver meaningful gains.
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Body Composition

the Muscle Growth Guide

The Muscle Growth Guide translates the science into actionable advice for building muscle: training, recovery, and nutrition.

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the Fat Loss Guide

The Fat Loss A to Z Guide contains 26 concise chapters with clear, actionable advice for sustainable fat loss. It covers nutrition, training, metabolism, lifestyle, and mindset.

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How to lose fat and gain muscle simultaneously

An overview of body recomposition, explaining how fat loss and muscle gain can occur simultaneously through different processes.
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Building muscle — the basics for beginners

An overview of the core principles of muscle hypertrophy, outlining training, nutrition, and recovery that drive long-term muscle growth.
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Body recomposition workout guide

A look at resistance training for body recomposition, highlighting the physiological changes that drive muscle growth while supporting fat loss.
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The best exercises are those you'll do consistently — there's no single "best" exercise for everyone. Research supports combining resistance training (for muscle and bone health), cardiovascular exercise (for heart and metabolic health), with the amount depending on your fitness levels, personal preferences, and training goals.

No exercise specifically targets belly fat — although there's some evidence abdominal exercises may be effective. A combination of regular cardiovascular exercise, resistance training, and maintaining a caloric deficit through diet is the most effective way to lose body fat.

Include 2-3 resistance training sessions per week targeting all major muscle groups, plus 75-150 minutes of moderate to vigorous cardio a week. Define your goals (e.g., strength, endurance, fat loss), assess your current fitness level, schedule sessions you can realistically maintain, and progressively increase intensity or volume over time.

Walking is often considered the best everyday exercise because it's low-impact, accessible to most people, requires no equipment, and provides cardiovascular benefits when done briskly for 20-40 minutes.

Seniors benefit most from a combination of resistance training (to preserve muscle mass and bone density), balance exercises (to prevent falls), and low-impact cardiovascular activities like walking or swimming.

Exercise For Health

Does Exercise Help Anxiety?

Research shows that regular physical activity can reduce anxiety symptoms, with effects comparable to some standard treatments — and may even help prevent anxiety from starting in the first place.
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Does Exercise Lower Blood Pressure?

Research shows that regular exercise can lower blood pressure, with effects comparable to many blood pressure medications — and the benefits may be even stronger in some cases.
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