Rocky Road vs Zombie Cells

I've never believed that healing means giving up the things you love. If there is one idea at the heart of my new book, Eat to Heal, it's this: you don't have to cut out to feel better. You crowd out. You fill your plate, and your treat tin, with foods that quietly work in your favour, and the less helpful stuff naturally takes up less space.

But here's what I’d love you to understand: when you make that choice to crowd out, you're not just satisfying a craving or indulging in something more pleasant than deprivation. You're actually intervening at the cellular level. You're fighting a process that most people don't even know is happening inside their bodies, quietly accelerating ageing, exhaustion, and disease.

You're fighting zombie cells.

What Are Zombie Cells, and Why Should You Care?

Let me explain what's really going on inside the aging body. Your cells are supposed to live their lives, do their jobs, and when they're past their prime, they either regenerate or die gracefully. It's a system that's worked for millions of years.

But something goes wrong as we age, especially in the presence of chronic stress, inflammation, and poor nutrition. Some cells stop functioning, but they don't die. They just... hang there. We call them senescent cells, or zombie cells. They're not alive in any meaningful sense, but they won't exit gracefully.

Instead, they release inflammatory signals. They sit in your tissue, festering, like a broken-down car in a neighbourhood, radiating damage to everything around it. And with each year of life, we accumulate more of them.

This is inflammaging: the chronic, low-grade inflammation that quietly accelerates ageing itself. It damages your mitochondria (your cells' energy factories), shortens your telomeres (the protective caps on your DNA), and drives the diseases we assume are inevitable as we age, heart disease, Alzheimer's, type 2 diabetes and arthritis.

So what does inflammaging feel like? It's the tired that sleep doesn't fix. The brain fog that you've started to accept as normal. The joint pain that travels around your body. The digestive issues that come and go. The mood swings. The recurring infections. The weight that sticks around no matter what you try. Most people don't connect these dots to a few billion zombie cells quietly waging war inside their bodies.

The Body's Natural Defence: Senolytics

The good news is that you don't have to wait passively for your cells to age you from the inside. Your food contains powerful natural compounds called senolytics, which can trigger zombie cells to finally do what they should have done in the first place: exit gracefully.

These aren't exotic ingredients or supplements you have to hunt down. They're in the foods that, as a clinical nutritionist, I've been teaching people to eat for decades.

Fisetin: found in strawberries and apples. Quercetin: in capers, onions, and berries. Curcumin: in turmeric, especially when combined with black pepper to enhance absorption. Resveratrol: in grapes and blueberries. EGCG: in green tea, particularly the high-quality loose-leaf varieties.

Here I am talking about natural senolytics on The Today Extra Show.

Each one of these is quietly clearing away cellular debris, nudging your immune system to clean house, and helping your body's natural renewal systems work the way they're meant to. This isn't the old model of antioxidants as general free-radical scavengers. These compounds go deeper, triggering specific cellular pathways that help the body eliminate senescent cells.

But there's more. I also want you to understand polyphenols, the broader family of plant compounds from which many senolytics come. Polyphenols don't stop at the senescent cells. Once they reach your gut, something remarkable happens.

How Polyphenols Work with Your Gut to Control Inflammation

Most people think nutrients work in a straightforward way: you eat something, your body absorbs it, it does its job. But polyphenols are smarter than that. They're collaborative.

When you eat polyphenol-rich food (think dark chocolate, berries, turmeric, green tea), your body absorbs only a small fraction directly. The rest travel down to your large intestine, where your gut bacteria have been waiting. These beneficial microbes feast on polyphenols as food, and in return, they transform them into smaller, more active metabolites that your body can actually use. It's a conversation between your food and the trillions of organisms inside you.

From there, polyphenols help modulate your body's inflammatory signalling. They support the systems that keep chronic, low-grade inflammation in check, rather than switched permanently on (which is the inflammatory state most people are living in). They also support healthy blood vessel function, which is crucial for delivering nutrients to every cell in your body and removing waste.

This is the cycle I wanted to build into Eat to Heal: foods that work with your body's own systems, not against them. Foods that crowd out inflammation by supporting your gut, your cells' energy systems, and your nervous system's ability to calm itself.

This is where the Raspberry-Pistachio Rocky-Road Bars come in.

Rocky road has a reputation as a sugar bomb wrapped in nostalgia, and the classic version certainly earns it. But these bars keep all the joy and deliciousness while swapping the guilt for ingredients that are actually defending your cells against ageing.

I developed these with my daughter Tamsin during the recipe testing for Eat to Heal, and they've since become a permanent fixture in my fridge. They're not a "cheat day" indulgence. They're a small, polyphenol-rich deposit into your cellular health, your gut microbiome, and your body's inflammatory balance, all at once.

Why Each Ingredient Matters

Dark chocolate (85% cacao or higher): The foundation. The higher the cacao percentage, the more nutrients you get and the less sugar it contains. Cacao is one of the richest food sources of polyphenols. These compounds mop up free radicals, but more importantly, they work with your gut bacteria to modulate inflammation and support senescent cell clearance. Flavanols in cacao are specifically associated with better endothelial function, meaning your blood vessels respond more easily, delivering nutrients where they're needed and keeping inflammation in check.

Pistachios: Bring protein, healthy fats rich in anti-inflammatory omega-3s, and polyphenols of their own. The minerals here, particularly magnesium, support cellular energy production and nervous system regulation.

Pumpkin seeds: Zinc and magnesium for immune function and cellular repair. Both minerals are crucial for the body's natural senolytic processes.

Cacao nibs: Double down on the polyphenols with a satisfying crunch. Nothing refined, nothing else added, just the cellular-healing power of pure cacao.

Dried raspberries: A beautiful hue, a tart lift, and the pigments (anthocyanins) that make berries such nutritional overachievers. These are quercetin precursors, priming your body to clear senescent cells.

Coconut oil and almond butter: Healthy fats that slow the absorption of any sugar in the recipe, keeping your blood sugar stable. Blood sugar dysregulation is one of the fastest accelerators of inflammaging.

Sea salt: Draws all the flavours into focus, and sodium plays a role in nerve transmission and cellular function. Just a pinch, mindfully used.

The Recipe

This recipe couldn't be simpler to make. You melt, you stir, you fold, you chill. No baking, no thermometer, no technique to master. Ten minutes of gentle assembly, an hour in the fridge, and you have ten bars ready to go. That's the whole philosophy in action: small, consistent, compassionate choices.

RASPBERRY-PISTACHIO ROCKY-ROAD BARS

Makes 10 bars

INGREDIENTS

• 200 g (7 oz) dark chocolate (85% cacao or higher), melted
• ¼ cup coconut oil, melted
• 2 tbsp almond butter (or tahini for extra creaminess)
• 1 tbsp pure maple syrup (optional)
• ½ tsp vanilla extract
• 1 cup popcorn or puffed cereal of your choice
• ½ cup pistachios, roughly chopped
• ½ cup dried raspberries
• ¼ cup coconut flakes (unsweetened)
• ¼ cup pumpkin seeds (pepitas)
• 2 tbsp cacao nibs
• ½ tsp sea salt

METHOD

Line a small baking dish with baking (parchment) paper.

Melt the chocolate and coconut oil in a heatproof bowl over a double boiler or in short bursts in the microwave. Stir until smooth.

Stir in the almond butter, maple syrup (if using) and vanilla until well combined. Fold in the popcorn, pistachios, raspberries, coconut flakes, pumpkin seeds, cacao nibs and sea salt. Mix gently to coat everything in the chocolate mixture.

Pour the mixture into the prepared dish and spread evenly. Chill in the fridge for at least 1 hour (or 30 minutes in the freezer) until firm.

Slice into bars. Store in the fridge for up to 2 weeks, or freezer for 2–3 months.

Crowding Out In Action

A couple of squares of very dark chocolate isn't a guilty pleasure dressed up in health language. It's not restriction masquerading as indulgence. It's a small, deliberate act of cellular defence.

When you eat these bars, you're not denying yourself anything. You're choosing foods that protect you. You're filling your plate (and your treat tin) with compounds that trigger your body's own senescent cell-clearing mechanisms, support your gut bacteria in their work, and lower the inflammatory signals that drive ageing.

This is crowding out in action. This is healing that doesn't ask you to suffer. This is eating in a way that actually works with your body instead of against it.

Keep a batch in your fridge. When you reach for one, you're not having a moment of weakness. You're having a moment of cellular rebellion against inflammaging.

That's the whole idea.

Eat to Heal: A Complete Plan to Reduce Inflammation, Calm Your Nervous System and Supercharge Every Cell is available now from Rockpool Publishing.