Modern medicine has long divided health into “mental” and “physical” — but the brain is an organ, and the body ignores our administrative categories. A landmark editorial in JCPP Advances argues this structural error underlies some of medicine’s greatest failures. Here is why integration matters, and why bone health sits at the centre of this conversation.
By Dr Taher Mahmud FRCP
Consultant Rheumatologist & Co-Founder, London Osteoporosis Clinic
Published: May 2026
Key Takeaways
- Modern medicine’s separation of “mental” and “physical” health is a structural error — the brain is an organ, and the body does not recognise administrative boundaries.
- Patients with osteoporosis almost always experience overlapping conditions: chronic pain, low mood, disturbed sleep, reduced activity, and fatigue — each reinforcing the others.
- Chronic inflammation, HPA-axis dysregulation, sleep disruption, and physical inactivity are measurable biological mechanisms that cross the supposed mind/body divide.
- Bone is metabolically active, hormonally responsive, and deeply sensitive to lifestyle, mood, sleep, and movement — not inert scaffolding.
- The most consequential medicine of the next decade will treat human health as an interconnected system — biological, psychological, behavioural, and social.

I was recently alerted by Richmond M. Stace to an important editorial perspective published in JCPP Advances entitled “The imaginary divide between mental and ‘physical’ health: Dismantling dualism and reductionism to address a monumental mistake in medicine.” The paper can be accessed here: acamh.onlinelibrary.wiley.com
The argument is striking in its simplicity. One of the great structural errors of modern medicine has been the artificial separation of “mental” and “physical” health into distinct conceptual and clinical domains — as though the brain were not an organ, and as though the body kept its emotions in a separate filing cabinet.
For clinicians working in rheumatology, osteoporosis, chronic pain, rehabilitation and preventative medicine, the editorial reads less as a revelation and more as a long-overdue articulation of what many of us see in consulting rooms every week.
Do Patients Ever Experience Their Health in Compartments?
A patient with osteoporosis is rarely only a patient with osteoporosis. Fracture risk often sits alongside chronic pain, fear of falling, declining confidence, reduced activity, disturbed sleep, low mood, social withdrawal, fatigue, metabolic dysregulation and a quiet inflammatory drift. Each of these can reinforce the others.
Run the same logic in reverse and it holds equally well. Chronic stress, anxiety, depression and burnout influence inflammation, immune regulation, hormonal balance, appetite, sleep architecture, muscle mass, balance — and ultimately bone itself.
The body does not recognise the administrative boundaries that medicine has drawn around it.
Inheriting Descartes — Perhaps Too Literally
The editorial revisits the long shadow cast by Cartesian dualism: the idea that mind and body are fundamentally distinct substances. The distinction was philosophically useful in its time and arguably helped scientific medicine evolve. However, modern healthcare appears to have inherited an oversimplified, almost industrial version of it.
The result is familiar: pathways become siloed, symptoms are treated in isolation, psychosocial contributors are minimised, and patients can feel reduced to a scan, a laboratory value or a single organ.
Importantly, the authors are not rejecting biological science, nor are they arguing against specialist medicine. The case is for integration over reductionism — and that distinction matters greatly.
Specialisation has delivered extraordinary advances. Yet many of the dominant health challenges of our era — chronic pain, frailty, osteoporosis, metabolic disease, cardiovascular disease, inflammatory illness and mental ill-health — are deeply interconnected conditions sharing biological, behavioural and social pathways.
What Are the Shared Biological Mechanisms?
The paper highlights several mechanisms that cut across the supposed mind/body divide: chronic inflammation, metabolic and mitochondrial dysfunction, HPA-axis dysregulation, gut microbiome alteration, physical inactivity, sleep disruption and socioeconomic stress.
These are not “soft” variables. They are measurable, modifiable and biologically consequential — and they belong as firmly within so-called “physical” medicine as within mental health medicine.
Why Does This Matter Especially in Bone Health?
In osteoporosis care, the case for integration is especially clear. Bone is often imagined as inert scaffolding. In reality, it is metabolically active, hormonally responsive, neurologically connected and exquisitely sensitive to lifestyle, mood, sleep and movement.
Long-term outcomes in bone health depend on far more than DXA scores and calcium status. They depend on movement, strength, confidence, nutrition, sleep, cognition, hormonal balance, medication burden — and the social fabric around the patient.
A fracture is almost never an isolated skeletal event. It alters independence, identity, mobility, confidence and the patient’s entire forward trajectory. The skeleton fractures; the life around it bends.

How Does LOC Approach Bone Health Differently?
At the London Osteoporosis Clinic, this is one reason we approach bone health as a system rather than a number. Where appropriate, we combine targeted medical therapy with structured exercise, nutritional optimisation, sleep and lifestyle support, patient education and longer-horizon preventative planning.
The ambition is not merely to slow loss — it is to restore strength, resilience and long-term capability wherever biologically possible. If you would like to understand your bone health within this broader context, our consultant-led bone health assessment offers exactly that approach.
That orientation reflects a broader conviction: the most consequential medicine of the next decade will likely be defined less by treating isolated diseases in isolation, and more by understanding human health as an interconnected system — biological, psychological, behavioural and social.
Not “mental” versus “physical”.
Simply health.
The LOC View
The patients I see rarely present with a single, isolated problem. They present with lives — and within those lives, bone health, pain, energy, sleep, mood and confidence are woven together. Treating the DXA number without attending to the person holding it has always struck me as an incomplete form of medicine. The editorial cited here puts rigorous academic language to something many of us have known intuitively for years. The opportunity now is to build clinical systems that reflect this understanding.
— Dr Taher Mahmud FRCP, Consultant Rheumatologist, London Osteoporosis Clinic
Reference
- The imaginary divide between mental and ‘physical’ health: Dismantling dualism and reductionism to address a monumental mistake in medicine. JCPP Advances. doi:10.1002/jcv2.70123
This article reflects the clinical perspective of Dr Taher Mahmud and is intended as general information only. It does not replace individual medical assessment.
Dr Taher Mahmud FRCP is a Consultant Rheumatologist and Co-Founder of the London Osteoporosis Clinic, based at The Shard, London SE1. He holds two US patents in osteoporosis reversal and prevention and is a Trustee of the Global Osteoporosis Foundation.
Published: May 2026