How to flatten your belly FAST: The 60-second shower trick that can shred fat from your stomach
No, it's not a superfood smoothie or a $500 gadget. It's sitting right there in your bathroom.
It's your shower.
More specifically, the cold tap.
This simple yet powerful biohack - known as cold water therapy - is one of my absolute favourites. It's free, accessible, and surprisingly effective. I talk about it in my new book Biohack Me, where I break down how we can reset our nervous system, upgrade our biology, and reverse chronic symptoms with small, intentional changes.
And trust me, I've lived it.
After years battling burnout, postnatal depression, and eventually a full-blown health crisis caused by toxic mould exposure, I discovered the power of cold exposure for my mental and physical health.
Cold showers became a cornerstone of my recovery - and now a daily ritual I wouldn't skip for the world.
Why it works (and what the science says)
Cold exposure has been used for centuries to promote healing and resilience, and modern research is finally catching up. It's been shown to:
- Activate brown fat, which helps burn calories and regulate body temperature
- Reduce inflammation (a major contributor to ageing and chronic disease)
- Trigger a 250 per cent spike in dopamine - the feel-good, focus-enhancing brain chemical
- Lower cortisol, your stress hormone, and promote a calm, steady mood
- Boost immunity by stimulating your lymphatic system
In short, cold water gives your system a jolt in the best possible way. It wakes you up, both mentally and metabolically. It also trains your nervous system to tolerate stress better.
That's why it's so powerful for people dealing with anxiety or burnout. It teaches your body how to recover fast and stay regulated.
Take the cold shower challenge
Now, before you panic and start picturing ice baths à la Wim Hof, let me make this clear: you don't have to go full polar bear to reap the benefits.
I recommend starting with what I call the cold shower challenge - a gentle, no-BS intro for everyday people who want to feel better, fast.
Here's how to do it:
Start slow – At the end of your regular warm shower, switch the water to cold for just 30 seconds. Focus on deep breathing. You'll gasp and maybe scream a bit. Totally normal.
Level up – After three to five days, extend to 60 seconds. You'll be surprised how quickly your body adapts.
Go fully in (if you're game) – Eventually, try a full cold shower from start to finish. Morning is ideal, it'll leave you buzzing with energy.
Bonus tip: Pair it with early sunlight exposure for a natural cortisol rhythm boost and enhanced mood throughout the day. That's the kind of biohacking stack I love - simple, powerful, and totally free.
A biohack for your body and your mind
Beyond the waistline wins and dopamine rush, there's something deeper at play with cold exposure. It's about choosing discomfort in a world obsessed with convenience.
When you step into cold water on purpose, you're signalling to your body and brain 'I'm in control'.
That mindset shift - of facing discomfort head-on - spills into other areas of your life. You show up differently. Stronger. Calmer. More grounded.
So, if you're looking for a no-fuss, high-impact way to boost your health, start here.
One cold minute. Every day. That's it.
You don't need to overhaul your life overnight. You don't need a six-week plan or a pantry full of powders.
You need a bit of grit. A willingness to get uncomfortable. And a commitment to show up for yourself - even just for 60 seconds.
I dare you to take the cold shower challenge this week. You'll thank me later (once your goosebumps settle).
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