Evidence-based health guides
from a GP in Australia.

Practical guides, grounded in current evidence, covering the questions patients ask most, and the ones they haven't thought to ask yet. Written by Dr David Nguyen, GP in Adelaide.

Content on this page is general health information only. It does not constitute medical advice and is not a substitute for a consultation with a qualified health practitioner.

Bone Health

10 articles
Bone Health

What is osteoporosis, and could it affect you?

Over 1.2 million Australians have osteoporosis. Most don't know until a fracture happens. A GP explains what it is, who's at risk, and what you can do now.

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Bone Health

Does exercise actually build bone?

Not all exercise is equal for bone density. A GP explains what the evidence says about resistance training, impact loading, and how much is actually enough.

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Bone Health

Osteoporosis medications: what they do and what the risks actually are

Bisphosphonates, denosumab, hormone therapy: a GP explains how each works, who they're for, and how to weigh up the risks honestly.

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Bone Health

Men and osteoporosis: the risk most men don't know about

One in three men over 60 will have an osteoporotic fracture. Men are less likely to be screened, less likely to be treated. Here's what to do about it.

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Bone Health

Common myths about osteoporosis

It only affects older women. It's just low calcium. You'd know if you had it. A GP addresses the most common misconceptions head-on.

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Bone Health

Does osteoporosis cause pain?

Osteoporosis itself is painless. A GP explains where the pain really comes from, why most back pain isn't osteoporosis, and when to get checked.

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Bone Health

Calcium, vitamin D, and your bones: what you actually need

How much is enough? What about supplements? A GP cuts through the conflicting advice with what the evidence actually supports.

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Bone Health

After a fracture: why what happens next matters most

A fragility fracture is a warning sign that's often ignored. A GP explains why the follow-up matters, and what the evidence says about preventing the next one.

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Bone Health

How to reduce your risk of falls

Falls cause most osteoporotic fractures. The good news: fall risk is modifiable. A GP explains what to assess and what actually works.

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Bone Health

Osteoporosis isn't just due to getting older: the other conditions and medications that silently affect your bones

Secondary causes - from early menopause and long-term steroid use to thyroid conditions and some very common medications - affect more than half of premenopausal women with low bone density. A GP explains what your workup involves.

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Longevity

5 articles
Longevity

What is healthspan?

Feeling fine doesn't mean you're healthy. A GP explains what healthspan is, why the gap between lifespan and healthspan matters, and what to check.

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Longevity

The blood tests worth getting in your 30s and 40s

Not all blood tests are equal. A GP explains which are actually worth getting, and what most people miss.

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Longevity

Why muscle mass matters as you age

Muscle is about far more than strength. A GP explains why it is one of the strongest predictors of how well you age, and how to protect it.

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Longevity

Metabolic health: what it really means

Blood sugar, waist, blood pressure, lipids: a GP explains what metabolic health actually is and the everyday signs worth watching.

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Longevity

Evidence-based longevity habits

The big levers that genuinely move the needle, then the fun stuff to optimise. A GP sorts the proven mainstays from the trendy extras, honestly.

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Mental Wellbeing

3 articles
Mental Wellbeing

Is this worth seeing a GP about your mental health?

You don't have to be in crisis, or even sure what's wrong. A GP on the 'am I bad enough?' question, what a first visit really involves, and when it's worth not waiting.

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Mental Wellbeing

Anxiety symptoms in the body

Racing heart, tight chest, restlessness, insomnia, anxiety often shows up in the body before you've named it. A GP explains what's happening and why.

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Mental Wellbeing

Depression vs low mood: how your GP tells the difference

Everyone has tough weeks. But when does it become something worth bringing to a GP? A practical guide.

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Diabetes

3 articles
Diabetes

Type 2 diabetes: what your blood sugar results actually mean

HbA1c, fasting glucose, postprandial readings, decoded clearly so you can have a better conversation with your GP.

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Diabetes

What is prediabetes?

Prediabetes means your blood sugar is higher than normal, but you haven't developed type 2 diabetes yet. A GP explains what it means and what to do.

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Diabetes

Type 2 diabetes: who's at risk, and what you can do early

Who's really at risk of type 2 diabetes, how to check your own risk, and the changes that genuinely shift the odds.

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Diabetes

The annual diabetes review: what your GP should be checking

If you have type 2 diabetes, there's a checklist of tests and assessments you should have every year. Are you getting them?

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Men's Health

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Men's Health

The 10 things every man should ask his GP before 50

Most serious conditions in men are preventable, if caught early. Here's the checklist that rarely gets discussed in a standard consult.

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Men's Health

Low energy in men: is it your lifestyle, your hormones, or something else?

Fatigue is one of the most common complaints men bring to the GP, and one of the most misunderstood. Here's how we approach it.

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Men's Health

Prostate health: what the PSA test can and can't tell you

PSA testing is nuanced. Here's an honest look at who should consider it, what the numbers mean, and why the conversation matters.

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Preventive Health

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Preventive Health

Your 40s health checklist: what to ask your GP now

Your 40s are when many risk factors first become detectable. Here's what a proactive GP should be looking at, and why.

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Preventive Health

Cardiovascular risk: how your GP calculates your number

It's not just about cholesterol. Blood pressure, age, smoking, diabetes, family history, here's how they combine into a single risk score.

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Preventive Health

Adult immunisations in Australia: what you might be missing

Vaccines aren't just for children. Here's what the Australian immunisation schedule recommends for adults, by age and risk factor.

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Weight Management

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Weight Management

Why willpower isn't the problem: the biology of weight

Weight management is more complex than calories in versus calories out. Here's what the science actually says about why it's hard.

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Weight Management

What a structured weight management plan actually looks like in general practice

Medication gets the headlines, but a good plan starts with assessment, goals, and lifestyle foundations. Here's how a GP approaches it.

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Weight Management

Muscle, metabolism and movement: the underrated side of weight management

Strength training does more than build muscle, it changes how your body handles energy. Here's why resistance exercise belongs in every weight management plan.

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Skin Health

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Skin Health

How often should you have a skin check in Australia?

Australia has one of the highest rates of skin cancer in the world. Here's how to work out the right interval for you, based on your risk factors.

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Skin Health

The ABCDE guide to spotting a suspicious mole

Asymmetry, border, colour, diameter, evolution, the classic criteria explained, with the caveats your GP would add.

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Skin Health

What happens during a GP skin check, and why dermoscopy matters

A thorough skin check is more than a visual scan. Here's what a GP with dermoscopy training is actually looking for.

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Chronic Disease

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Chronic Disease

Blood pressure: the silent readings that matter more than the one at your appointment

White-coat hypertension is real. Here's how home monitoring gives your GP a much clearer picture, and why it changes management decisions.

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Chronic Disease

Managing multiple conditions: how a GP Chronic Disease Management Plan works

If you have two or more chronic conditions, you may be eligible for a Medicare-supported care plan. Here's what it involves and who it's designed for.

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Chronic Disease

Cholesterol explained: what the numbers actually mean for your heart

Total cholesterol is just one piece of the puzzle. LDL, HDL, triglycerides, and cardiovascular risk, how your GP reads the full picture.

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Women's Health

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Women's Health

Perimenopause: the years before menopause that often go unrecognised

Symptoms can start years before periods stop. Here's what perimenopause looks like, and why it's worth raising with your GP early.

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Women's Health

Cervical screening in Australia: what's changed and what you need to know

The Cervical Screening Test replaced the Pap smear in 2017. Here's the current schedule, who it applies to, and how to keep your screening up to date.

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Women's Health

Iron deficiency in women: when tiredness is more than just tiredness

Iron deficiency is one of the most commonly missed conditions in women of reproductive age. Here's what to ask your GP, and what the blood tests mean.

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Dr David Nguyen, GP at Pro Health Care Glenelg Dr David Nguyen, GP
Dr David's Insights

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A short, honest note from a GP whenever I publish something worth your time. The science of staying well, minus the noise.

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