If you’ve ever thought, “I’m already doing quite a lot… surely the only way to get healthier is to overhaul everything,” this episode is for you.

This week, we dig into a new Lancet analysis of nearly 59,000 adults that asks a deceptively simple question: what happens when you make small, combined improvements in sleep, movement, and diet - instead of trying to perfect just one?

You’ll hear how higher SPAN scores (Sleep, Physical Activity and Nutrition) were linked with extra years of total and disease-free life, why the steepest gains appear at the bottom of the curve, and what that means if you - or someone you care about - are starting from a less-than-ideal baseline.

We’ll walk through concrete examples from the study:

* How 5 extra minutes of sleep, 2 minutes of moderate-to-vigorous movement, and ½ cup of veg a day mapped to about one extra year of life, and

* How slightly bigger but still realistic changes were associated with around five extra years.

We’ll also talk about sweet spots for sleep and activity (yes, more is not always better), why doing “a little in two lanes beats doing a lot in one”, and how this paper quietly validates the whole One Health Tweak a Week approach.

If you’re ready to choose one or two tiny, stackable tweaks this week, press play.

If you’d like to see the graphs and scoring criteria so you can see where you are on the SPAN scale, head over to the newsletter version of this podcast. You’ll find it here.

The One Health Tweak a Week newsletter has now been read over 100,000 times. Subscribe to get it in your inbox every Saturday.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

This week on the One Health Tweak a Week podcast, we’re wading into the high-protein craze.

Everywhere you look there’s another “protein” label – bars, cereals, puddings, even water. You’re told more protein will help you build muscle, burn fat, and age well. At the same time, you may have heard whispers that too much could be harmful. So are high-protein foods actually helping your health – or just helping someone sell more ultra-processed snacks?

In this episode, I walk through why protein has become the wellness world’s favourite nutrient and Big Food’s favourite health halo, and who is actually likely to be getting too much versus too little. We’ll talk about how “high protein” can act as a Trojan horse for additives and refined starches, and why chasing 150 g a day can distract from basics like plants, movement, sleep, and, in later life, getting enough protein in real meals.

Then we land on this week’s tweak: dropping just one high-protein junk food a day and swapping it for real food (or nothing at all). It’s a calm, doable reset – especially if your trolley has quietly filled up with “protein” everything.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

This week on One Health Tweak a Week, we’re talking about belly fat that isn’t just cosmetic - the visceral kind packed around your organs.

You can have a “healthy” weight on paper and still be quietly accumulating fat in the wrong place. Visceral fat sits deep in the abdomen and chest, wrapped around organs like the liver, intestines, pancreas and even the heart - and it’s strongly linked with insulin resistance, type 2 diabetes, abnormal blood fats, fatty liver disease, cardiovascular disease and more.

The frustrating part? Your waist can worsen while the bathroom scales behave.

The encouraging part? You don’t need a full lifestyle overhaul to start shifting things. In this episode, I’ll explain why your waistline is a better “metabolic vital sign” than weight alone - and why ultra-processed foods are a high-leverage first place to start.

Then we’ll run a simple 7-day experiment: identify your most ultra-processed eating occasion (often breakfast or snacks), and upgrade just that one meal for a week. No calorie counting. No perfection. Just a repeatable swap you can actually stick to - plus the friction-killers that stop this kind of change dying after two days.

If you want 2026 to be the year your waistband eases up - and your long-term health gets stronger with each small shift - start here.

If you’d like the printable or interactive tracker that accompanies this episode, you can download it from this week’s newsletter:

Start Tackling Belly Fat: 7-Day Ultra-Processed Food Experiment

I’ve also built an interactive tool that will ask you a few questions, then do all the hard work for you. You’ll just need your height and waist measurements. You can access it here.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

This week’s episode is a New Year check-in - a little different from the usual “here’s one tweak” format.

Over the past year, One Health Tweak a Week has grown into a lively, health-literate community: curious, sceptical of fads, and far more interested in what actually moves the dial than what’s merely trendy.

Looking back at comments and polls, a few patterns stood out. You loved the calm, practical food rules that make everyday decisions feel simpler. But some sticking points remain stubbornly common - especially sleep (waking in the night) and long stretches of sitting, even among people who walk regularly.

The bigger lesson is one most of us already know: information isn’t the main problem. The gap is implementation - the space between “that’s a good idea” and “this is what I do now”.

So in 2026, the focus shifts slightly: less new information for its own sake, more help with follow-through. In this episode, you’ll hear the small change I’m making, plus a simple three-prompt mini exercise you can use to turn one good intention into something that’s actually easier to do this week.

If you want the trackers/checklists/tools we’re building, they’ll live in the newsletter. Sign up below.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

Links to this year’s most popular posts as mentioned in the podcast:

* Ignore the Noise: The Simple Eating Rules That Save Lives

* The Only Food List You’ll Ever Need for Healthy Ageing?

* Eat Carbs, Age Better: What 47,000 Women Taught Us

* The Gut-Friendly Carb Linked to Longer Life

After eleven months of sending out weekly “health tweaks”, I did the slightly uncomfortable thing: I looked back and asked what actually changed in my own life.

This is a Christmas special, and it’s not a lecture. It’s a behind-the-scenes, mildly embarrassing report card on what happened when evidence-backed ideas met real life: deadlines, preferences, and the strange power of the bakery section in Marks & Spencer.

You’ll hear about the tweaks that genuinely stuck (including my new hard rule on microwaving food in plastic, and how that accidentally turned me into a “jar person”), the ones that half-worked (hello, 18°C office), and the ones I still routinely lose to my own habits (late nights, anyone?).

There are also cameos from: tins of mackerel, a demoted oven, and matcha - which I drink standing up in the kitchen like I’m taking antibiotics, followed immediately by a square of dark chocolate as compensation.

If you’ve ever read health advice thinking “yes… and yet”, this one’s for you. It’s a reminder that the work isn’t knowing; it’s designing a life where the sensible option is also the easy one.

Most of us know we “sit too much”, but how much is too much - and can a daily walk or gym session really cancel it out?

In this episode, I dig into what the research actually says about long days spent sitting and your risk of early death, heart disease, type 2 diabetes and cancer. We’ll look at where the risk curve really starts to bend upwards (spoiler: it’s lower than you might think), and why you can be physically active and still sedentary if most of your waking hours are spent in a chair.

I’ll walk you through how much movement - and what intensity - seems to blunt the damage of 8-10 hours of sitting, using simple tools like the “talk test” and your heart rate if you wear a watch. No physiology lecture, just clear rules of thumb.

Then we’ll get practical. How do you build an hour or so of movement that gets you at least a little out of breath into real life - whether you’re office-based, working from home, or retired? We’ll talk brisk walks, chores that genuinely count as exercise, and short movement breaks that help your body handle blood sugar while you’re still at your desk or on the sofa.

Ideal listening if you spend a lot of the day sitting, but want Future You to have many more active years to enjoy.

Science-backed advice, simple steps, real results. Subscribe to the One Health Tweak a Week newsletter today and take the guesswork out of healthy living.

Is all this effort to “eat healthier” actually worth it - in years of life, not just in vague virtue points?

In this episode of One Health Tweak a Week, we dig into two big pieces of research that try to answer exactly that. Using data from hundreds of thousands of people in the UK and six other countries, researchers modelled what happens to life expectancy when you move from a typical Western diet to something healthier - and then to a fully “longevity-optimised” plate.

We’ll talk through what the numbers really say: why realistic changes in midlife can still add several extra years to your life, and how, in some cases, bigger shifts might buy you 7–10 extra years.

We’ll also look at what those diets actually look like, from a gram-perfect longevity plan to the much simpler UK Eatwell Guide, which still delivers about 80-plus percent of the benefit.

Most importantly, we’ll translate the modelling into something you can act on this week. You’ll hear why four levers - nuts, whole grains, sugary drinks and processed meats - do most of the heavy lifting, and how to pick just one to focus on without feeling you have to become a saint overnight.

If you’ve ever wondered whether changing what’s on your plate really moves the needle, this episode is for you.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

Some people can fall asleep anywhere, any time. For everyone else, there are two main weak spots that make nights miserable: getting to sleep in the first place, and waking at 3–4 am and not getting back off.

In this episode, we’ll walk you through a joined-up, practical plan for both.

We’ll start with the quiet culprits that wire you up during the day - social jetlag, naps, caffeine, alcohol, late meals and screens - and how they set you up for “tired but wired” nights and early-morning wakefulness.

From there, we build a realistic evening wind-down buffer: a 60–90 minute slope into sleep, not a cliff-edge you fall off at “bedtime”. You’ll hear how to choose a few simple anchors (reading, journalling, a warm shower) and one hard boundary that actually protects your nights.

Then we tackle the two patterns separately:

* If you can’t drift off, we’ll use a short worry window and a shift in mindset so you stop trying to force sleep.

* If you keep waking at 3 am, we'’ll show you how to create a kind 3 am corner and use the “if I’m clearly awake, I get up” rule without wrecking the rest of the night.

You’ll come away with a 7-night experiment you can start tonight - and a simple playbook you can lean on the next time your brain won’t switch off.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

You probably know the feeling: you’re exhausted, you’ve tried all the usual sleep tips… and yet your brain refuses to get the memo.

In this episode, we’re not adding more “sleep hacks” to the pile. We’re asking a different question: what if your problem isn’t sleep, it’s timing?

I’ll walk you through the two systems that quietly run your nights - sleep drive (how long you’ve been awake) and your circadian clock (your internal 24.2-hour metronome). We’ll look at how indoor days, late screens, irregular meals, naps, lie-ins and weekend drift slowly prise those systems apart, raising not just sleep problems but risks linked to metabolism, appetite, blood pressure, mood and long-term health.

Then we’ll get practical.

You’ll learn the six anchors of circadian alignment:

* A realistic, consistent wake-up window

* Morning light (and why grey skies still count)

* Evening dimness and screen timing

* Earlier, more regular meals

* Sensible rules for naps and lie-ins

* Consistency between weekdays and weekends

We’ll finish with a 14-day “anchor protocol” you can actually follow, plus a simple way to track whether your body clock finally knows what time it is.

If you’ve ever thought, “I’m just bad at sleep,” this episode is my case for a gentler explanation - and a much more hopeful fix.

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.

If you’re not sleeping well, chances are you’ve already tried the basics - less caffeine, fewer screens, maybe even a magnesium supplement or two. But what if the problem isn’t your bedtime routine… but something deeper you haven’t yet spotted?

In this episode, we walk through a 7-step self-audit to help you figure out what’s really going wrong with your sleep - and why. You’ll learn how to:

* Identify your true sleep pattern (is it falling asleep, staying asleep, or waking up exhausted?)

* Spot lifestyle, hormonal, or emotional factors that might be at play

* Rule out the usual suspects - from light and noise to caffeine and wine

* Recognise medical red flags that signal it’s time to speak to a doctor

* Pull together a simple, personalised “sleep hypothesis” to guide your next steps

This isn’t just another sleep hygiene checklist. It’s a structured, evidence-backed process that helps you stop guessing - and start seeing the patterns in your own nights.

Whether you’re lying awake at 3 a.m. or waking up foggy after a full night’s sleep, this episode will help you understand what’s going on - and where to start making changes.

Perfect for your next walk, commute, or wind-down.

🧰 Prefer a guided version of this sleep audit?

If you don’t have pen and paper handy - or just want to speed things up - I’ve built a free interactive tool that walks you through this same 7-step process.

It helps you:

* Identify which sleep disruptors are most likely affecting you

* Flag any warning symptoms to discuss with your doctor

* Get tailored next steps based on your responses

🟢 Try the Sleep Self-Audit Tool

Science-backed advice, simple steps, real results. Subscribe to One Health Tweak a Week today and take the guesswork out of healthy living.