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The Vitality Blog
Evidence-led writing across the five domains of health. Search by keyword or filter by domain.
7 articles
March 2026 · 5 min read
The relationship between gut health and weight loss
Faecal transplants that transfer obesity between mice. Microbial signatures that track with body weight. The evidence connecting gut health to weight is strong, even if the mechanisms are still being mapped.
Read more →August 2025 · 11 min read
Fuelled by science: my T100 triathlon journey as a nutritionist-in-training
A 2 km swim, an 80 km ride, an 18 km run, and a fuelling strategy at odds with everything preventive nutrition teaches. What the science says about the performance-versus-health paradox, and how I resolved it.
Read more →February 2024 · 5 min read
Beauty and biology, art and health: what’s the link?
We are wired to seek beauty. As we drift from nature and settle for manufactured glamour, that instinct dulls, and our health suffers with it. On the two-way street between art and wellbeing.
Read more →June 2023 · 5 min read
Metabolic flexibility: the key to optimal energy and wellbeing
Shaky between meals? Hitting the wall on runs? Metabolic flexibility, the ability to switch cleanly between burning carbs and fat, may be the missing piece. And it is trainable.
Read more →June 2023 · 8 min read
In pursuit of the fountain of youth
Notes from the Longevity Med Summit: a $600 billion sector, ageing clocks that can be measured and slowed, and why extending healthspan asks for a very different kind of healthcare.
Read more →April 2023 · 5 min read
Three surprising connections between your microbiome, diet, and metabolic health
Your gut microbes behave like a pharmacy, producing molecules that shape insulin signalling, appetite, and the gut barrier. Three evidence-based ways diet tips that balance toward metabolic health.
Read more →March 2023 · 7 min read
The microbiome: a framework for a better world can be found in our guts
The gut microbiome is holism in action. Diversity, collaboration, adaptability, and sustainability, the principles that keep a microbial community healthy, are the same ones that build resilient systems everywhere.
Read more →