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ROSY.
NUTRITION & PERSONAL TRAINING
Explore evidence-based insights into nutrition, strength training, body composition and cancer rehabilitation. Our Journal brings together research reviews, practical guidance and professional perspectives, translating complex evidence into information you can apply to everyday life.
EVIDENCE. EDUCATION. PERSPECTIVE.
The Journal.
Ultra-Processed Foods: What Are They, and Should We Avoid Them?
Are ultra-processed foods really bad for your health? We explore the NOVA classification system, the latest research on weight and health, and practical ways to make balanced dietary choices without giving up convenience.
Dec 12, 2025
Ultra-Processed Foods: What Are They, and Should We Avoid Them?
Are ultra-processed foods really bad for your health? We explore the NOVA classification system, the latest research on weight and health, and practical ways to make balanced dietary choices without giving up convenience.
Dec 12, 20257 min read
Incline Walking for Fat Loss: Does It Really Work?
Does incline walking really help with fat loss? This article explores the science behind treadmill incline walking, energy expenditure, body fat loss and how to use it effectively as part of a balanced fitness routine.
Nov 5, 20256 min read
How Many Carbs Should I Eat a Day? What the Evidence Says
How many carbohydrates should you eat each day? Discover what UK dietary guidelines and scientific research say about carbs, weight loss and exercise, and how to find an approach that supports your individual goals.
Oct 29, 20256 min read
Does Online Personal Training Really Work? What the Research Says
Does online personal training really work? Discover what scientific research says about building strength and muscle through online coaching, with practical advice on home workouts, exercise technique and choosing between online and in-person personal training.
Oct 15, 202511 min read
Why Nutrition and Strength Training Work Better Together
Why do nutrition and strength training work better together? Explore the research on fat loss, muscle preservation and body composition, and discover how a coordinated approach can support sustainable progress.
Sep 24, 20257 min read
Cancer Rehabilitation: Why Exercise, Physiotherapy and Nutrition Work Together
Cancer rehabilitation often requires more than one approach. Discover how specialist exercise rehabilitation, physiotherapy and nutritional support can work together to help people rebuild strength, manage treatment effects and regain physical confidence after cancer.
Sep 17, 20258 min read
Vitamin D and Your Immune System: What Does the Research Say?
Can vitamin D supplements prevent infections? Discover what the latest research reveals about immune health and when supplementation is recommended in the UK.
Aug 6, 20258 min read
Ozempic, Wegovy and Mounjaro: What Happens to Muscle During Weight Loss?
Do Ozempic, Wegovy and Mounjaro cause muscle loss? We explore what the research reveals about fat and lean mass during weight loss, and how protein intake and resistance training can help support muscle health.
Jul 16, 20256 min read
Should You Take Creatine? Benefits, Risks and What the Research Says
Should you take creatine? Discover what scientific research reveals about strength, muscle development, weight gain and safety, alongside practical guidance on creatine monohydrate supplementation.
Jul 4, 20256 min read
Can Exercise Reduce Cancer Recurrence? What the CHALLENGE Trial Tells Us
Can exercise reduce the risk of cancer returning? We explore the landmark CHALLENGE trial, what its findings mean for cancer survivors and the role of structured exercise in rehabilitation.
Jun 23, 20256 min read
From Cancer to Coaching: Why I Became a Cancer Exercise Rehabilitation Specialist
This month, I had the honour of sharing that story live on BBC Radio Bristol with host Joe Lemer, sitting beside my mum to reflect on what we’d been through — and what we’ve built since.
Jun 12, 20253 min read
Life After Cancer Treatment: 8 Practical Ways to Support Your Recovery
Recovery after cancer treatment can bring physical and emotional challenges. Discover eight practical approaches to rebuilding strength, managing fatigue, improving nutrition and navigating life after cancer, informed by scientific evidence and personal experience.
Jun 6, 202511 min read
The Benefits of Dumbbell Training: What Does the Research Say?
What are the benefits of dumbbell training? Explore the scientific evidence on muscle strength, core activation and free weights versus machines, plus a practical beginner workout you can try at home or in the gym.
May 14, 20259 min read
Can You Lift Weights with Peripheral Neuropathy? Exercise and Safety Explained
Can you safely lift weights with peripheral neuropathy? Discover how chemotherapy-related nerve damage can affect strength, grip and balance, and what the research says about adapting exercise to support physical recovery.
May 10, 20259 min read
How Cancer Treatment Affects Muscle Strength — and How to Rebuild It
Cancer treatment can affect muscle strength, mobility and physical confidence. Discover how chemotherapy and radiotherapy influence muscle health, and what research tells us about exercise, nutrition and rebuilding strength during recovery.
May 3, 20258 min read
Can Eating Too Little Make Weight Loss Harder? What the Science Says
Can eating too little make weight loss harder? We explore the science behind metabolic adaptation, why extreme calorie restriction can be counterproductive, and how to support sustainable fat loss while preserving muscle and strength.
Apr 22, 20259 min read
Whole Foods vs Calorie Counting: What Really Matters for Weight Loss?
Should you count calories or focus on whole foods to lose weight? Discover why food quality and energy balance both matter, with practical advice on managing hunger, choosing nutritious meals and achieving sustainable weight loss without unnecessary restriction.
Apr 3, 202510 min read
Cancer and Nutrition: 8 Diet Myths Explained by the Evidence
Does sugar really feed cancer? Are dairy, red meat and supplements something to worry about? We examine eight common cancer diet myths, explain what the science says and offer practical nutrition advice for people living with and beyond cancer.
Apr 2, 202510 min read
The Health Benefits of Turmeric: What the Science Says and How to Use It
Is turmeric really anti-inflammatory? Can it help with joint pain, and are supplements worth taking? Discover what scientific research says about turmeric and curcumin, alongside seven simple ways to use this colourful spice in everyday cooking.
Dec 19, 202412 min read
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