Matt Le Roux

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Did you know that playing sport regularly could cut your dementia risk by over 60%?Not a gym program. Not a diet. Just a...
18/06/2026

Did you know that playing sport regularly could cut your dementia risk by over 60%?

Not a gym program. Not a diet. Just a sport you actually enjoy.

The research is clear: people who move consistently through sport sleep better, manage weight more effectively, build stronger social bonds, and protect their brain and heart for decades longer.

And the best part? It doesn't feel like a health intervention. It just feels like fun.

Whether it's tennis, swimming, soccer, or a Saturday morning run club, the key is finding something that fits your life and sticking with it.

Your future self is already grateful.

What's your sport? Tell us below!

The research is clear: people who move consistently through sport sleep better, manage their weight more effectively, build stronger social bonds, and protect their brains and hearts for decades longer.

Most people track weight, blood pressure, cholesterol, or blood sugar.But one of the most important numbers for long-ter...
15/06/2026

Most people track weight, blood pressure, cholesterol, or blood sugar.

But one of the most important numbers for long-term health may be your VO₂ max.

VO₂ max is a measure of how well your body uses oxygen during exercise.

The better your body is at taking in and using oxygen, the easier daily life becomes.

Walking upstairs, carrying groceries, exercising, recovering, and staying independent as you age all depend on this system.

Research has shown that low cardiorespiratory fitness is strongly linked with a higher risk of early death, even when compared with major risk factors like smoking, diabetes, hypertension, and heart disease.

The good news is that VO₂ max can improve.

You do not need to start with intense training.

Start with walking.
Then slowly increase your pace.
Add hills.
Add short bursts of faster effort.
Try cycling, rowing, swimming, or jogging.
Aim to cover more distance in the same time.

Your body adapts when you challenge it safely and consistently.

VO₂ max is not just about fitness.

It reflects your heart, lungs, muscles, blood vessels, metabolism, and mitochondria working together.

If you want better energy, better resilience, and better ageing, improving your cardiovascular fitness is one of the best places to start.

Move more. Breathe better. Age stronger.

A new study has linked higher ultraprocessed food intake with a significantly higher risk of dementia and cognitive impa...
15/06/2026

A new study has linked higher ultraprocessed food intake with a significantly higher risk of dementia and cognitive impairment.

Researchers followed 5,370 older U.S. adults and found that those eating the most ultraprocessed foods had:

58% higher risk of dementia
46% higher risk of cognitive impairment without dementia
47% higher risk of cognitive impairment or dementia compared with those eating the least ultraprocessed foods.

The opposite was also seen. People eating more unprocessed or minimally processed foods had a lower risk of these outcomes.

This is another reminder that food is not just calories.

Food is information.

It influences inflammation, insulin resistance, the gut microbiome, blood vessel health and the biology of the brain.

The goal is not to be perfect. The goal is to move your daily food pattern away from packaged, industrial foods and back toward real food.

Start with simple swaps:

Swap sugary drinks for water or mineral water.
Swap processed meats for eggs, fish, chicken or fresh meat.
Swap packaged snacks for fruit, nuts or Greek yoghurt.
Swap refined cereals for oats or a protein-based breakfast.
Swap ready-made meals for simple home-cooked meals.
Small changes, repeated often, can have a big impact over time.

Your brain is listening to what you eat.

Metabolic Syndrome is becoming one of the biggest warning signs for future health problems in Australia.It is also known...
12/06/2026

Metabolic Syndrome is becoming one of the biggest warning signs for future health problems in Australia.

It is also known as insulin resistance syndrome and refers to a cluster of risk factors that increase the risk of type 2 diabetes, heart disease, fatty liver and stroke.

You may meet the criteria if you have 3 or more of the following:

• Increased waist circumference
• High triglycerides
• Low HDL cholesterol
• Elevated blood pressure
• Elevated fasting blood glucose

The good news is that research shows lifestyle changes can make a major difference.
A recent 3-month trial found that a structured lifestyle program improved weight, waist circumference, BMI, cholesterol, fasting glucose, triglycerides and blood pressure.

Even more importantly, people following the lifestyle program were nearly 4 times more likely to recover from metabolic syndrome.

The basics matter:

• Eat mostly whole foods
• Increase fibre from vegetables, legumes, nuts and seeds
• Prioritise protein
• Reduce refined sugar and sugary drinks
• Walk daily
• Strength train weekly
• Reduce alcohol
• Improve sleep
• Reduce long periods of sitting

Metabolic syndrome is not just about weight. It is about how your body is handling glucose, insulin, inflammation, blood pressure and cardiovascular stress.

The earlier you act, the better your long-term outcome.

Untreated sleep apnea may age your cardiovascular system faster than you think.Most people understand that smoking damag...
11/06/2026

Untreated sleep apnea may age your cardiovascular system faster than you think.

Most people understand that smoking damages the heart.

But far fewer realise that untreated obstructive sleep apnea can place a major nightly burden on the cardiovascular system through repeated drops in oxygen, disrupted sleep, oxidative stress, inflammation, and increased sympathetic nervous system activity.

This is not just about snoring.

It is not just about waking tired.

Untreated sleep apnea has been linked with:

• Accelerated vascular ageing
• Higher blood pressure
• Increased risk of atrial fibrillation
• Worse heart failure outcomes
• Greater risk of cardiovascular events
• Increased premature mortality risk

Research suggests that severe untreated sleep apnea may be associated with biological ageing changes equivalent to several extra years of ageing at the cellular and vascular level.

The good news is that this is measurable and treatable.

CPAP, oral appliances, weight loss, airway assessment, positional therapy, nasal breathing support, metabolic health work, and sleep optimisation can all play a role depending on the person.

If you snore loudly, wake unrefreshed, feel exhausted during the day, wake with headaches, or your partner notices pauses in your breathing, do not ignore it.
Your sleep may be one of the most important cardiovascular risk factors you are not measuring.

At Wave Functional Health, we look at sleep as a core pillar of metabolic, brain, and cardiovascular health.

Better sleep. Better oxygen. Better ageing.

Deep Sleep and Your Immune SystemSleep is not just a break from the day.During deep sleep, your body shifts into repair ...
10/06/2026

Deep Sleep and Your Immune System

Sleep is not just a break from the day.

During deep sleep, your body shifts into repair and defence mode. This is when important immune processes take place, including cytokine production, T-cell activity, natural killer cell support, cellular repair and inflammation regulation.

When sleep is poor or broken, your immune system can become less effective.

Research has linked ongoing sleep loss with higher inflammatory markers, increased oxidative stress, reduced melatonin and lower immune cell activity.

That means poor sleep can affect how well your body responds to infections, inflammation and long-term stress.

A few simple sleep foundations matter:

• Keep your room cool and dark
• Reduce screens and bright light before bed
• Aim for consistent sleep and wake times
• Avoid overheating at night
• Build a calming evening routine
• Treat sleep as part of your health plan, not an afterthought

Better sleep supports better immune function.

You cannot out-supplement poor sleep.

Your body repairs, regulates and protects itself best when you give it enough deep, restorative rest.

Creatine might be one of the most misunderstood supplements.Most people still think it is only for bodybuilders or peopl...
09/06/2026

Creatine might be one of the most misunderstood supplements.

Most people still think it is only for bodybuilders or people trying to get bigger in the gym.

But creatine does much more than that.

Creatine helps your cells produce energy quickly. Most of it is stored in your muscles, but it is also found in the brain and heart.

This is why it may support:

• Strength and muscle maintenance as we age
• Exercise performance
• Brain energy
• Mood and mental health
• Cognitive performance when the brain is under stress
• Healthy ageing and independence

This is especially important because losing muscle as we age affects far more than appearance. It affects metabolism, balance, mobility, injury risk, and independence.
Women may also benefit greatly from creatine, especially because they often have lower creatine stores than men.

The best researched form is creatine monohydrate, and for many people, a simple daily dose of 3 to 5 g is enough.

A quick caution: if you have kidney disease or reduced kidney function, speak with your doctor or practitioner before using it. Creatine can also affect creatinine levels on blood tests, so always let your healthcare provider know if you are taking it.

Creatine is not a steroid.

It is not just a bodybuilding supplement.

It may be one of the simplest tools to support strength, brain health, and healthy ageing.

Functional Dyspepsia: More Than Just IndigestionFunctional dyspepsia is a disorder of gut-brain interaction. This means ...
08/06/2026

Functional Dyspepsia: More Than Just Indigestion

Functional dyspepsia is a disorder of gut-brain interaction. This means the symptoms are often linked to how the digestive system and nervous system communicate with each other.

Common symptoms include:

• Upper abdominal pain or burning
• Bloating
• Early fullness
• Nausea after meals
• Excessive burping
• Feeling very full after eating

For many people, tests may not show a clear structural problem, but the symptoms are still very real.

Functional dyspepsia can be influenced by stress, anxiety, poor sleep, altered gut motility, inflammation, food triggers, and increased sensitivity in the digestive tract.

That is why treatment often needs to go beyond simply reducing stomach acid.

A functional medicine approach may look at:

• Food triggers
• Gut inflammation
• Digestive function
• Microbiome balance
• Gut barrier integrity
• Stress physiology
• Sleep quality
• Exercise tolerance
• Nervous system regulation

Simple starting points can include smaller meals, reducing ultra-processed foods, identifying trigger foods, improving sleep, gentle movement, and calming the nervous system.

The key message: functional dyspepsia is real, complex, and often requires a personalised approach.

Your brain cleans itself while you sleep.One of the most fascinating areas of brain research is the glymphatic system.Th...
05/06/2026

Your brain cleans itself while you sleep.

One of the most fascinating areas of brain research is the glymphatic system.

This is the brain’s waste clearance system. During sleep, cerebrospinal fluid moves through the brain and helps remove metabolic waste, inflammatory by-products, and proteins such as amyloid beta and tau.

These proteins are important because they have been linked with neurodegenerative conditions such as Alzheimer’s disease.

Poor sleep is not just about waking up tired.

It can affect:

- Memory
- Focus
- Mood
- Energy
- Blood sugar regulation
- Inflammation
- Cardiovascular health
- Long-term brain health

This is why sleep is such a critical part of functional medicine care.

When someone has brain fog, fatigue, low mood, poor recovery, migraines, metabolic issues, or cognitive decline, we have to look at sleep quality.

Not just sleep duration, but also sleep depth, timing, breathing, stress levels, light exposure, and nervous system regulation.

Simple habits that may support better sleep and glymphatic flow include:

- Going to bed and waking at consistent times
- Getting sunlight early in the day
- Reducing screens and bright light at night
- Keeping the bedroom cool and dark
- Exercising regularly
- Reducing alcohol
- Avoiding caffeine late in the day
- Practising relaxation before bed

Sleep is not wasted time.

It is when your brain clears, repairs, restores, and prepares you for the next day.

Protect your sleep. Protect your brain.

Exercise may be one of the most powerful tools we have for healthy aging.New research is looking at a protein called Klo...
03/06/2026

Exercise may be one of the most powerful tools we have for healthy aging.

New research is looking at a protein called Klotho, often called the “anti-aging protein.” Klotho is found in organs such as the kidneys, brain, pancreas, and skin, and it appears to be involved in several important aging-related processes, including mitochondrial function, cellular health, and inflammation.

A 2026 review looked at 41 clinical trials involving 2,765 people aged 18 to 85 and found that exercise increased circulating soluble Klotho levels.

This included short-term exercise, medium-duration exercise, and longer-term exercise programs.

The most powerful message?

Consistent exercise over 12 weeks or more appeared to support Klotho levels across aerobic training, resistance training, and combined exercise programs.

This is another reminder that exercise is not just about weight loss.

It is a biological signal that tells your body to adapt, repair, strengthen, and become more resilient.

For healthy aging, focus on:

• Walking regularly
• Strength training 2–4 times per week
• Aerobic fitness
• Mobility
• Quality sleep
• Protein-rich, colourful meals
• Stress management
• Social connection

You do not need to train like an athlete to age well.
This included short-term, medium-duration, and long-term exercise programs.
But you do need to move consistently.

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