Heart Health — The Pump and the Centre
Heart Health — The Pump and the Centre
Part of the Wheel of Health. Ischaemic heart disease heads the world’s causes of death at Causes of Death and Chronic Disease; what medicine does before, during and after a heart attack is set out at Medical Interventions.
A heart beats about a hundred thousand times a day and never rests for longer than the pause between two beats. It is the first organ to form in the embryo and the last whose stopping defines death. In 2023 ischaemic heart disease killed 8.91 million people and stroke another 6.79 million, and cardiovascular disease as a whole took 19.2 million lives, one death in three (GBD 2023).
No other organ fails so often.
Most of that failure is built slowly and is preventable. Anahata, the heart centre, sits at the middle of the chakra column, and every tradition that mapped the soul placed something essential in the chest. The heart is a pump and a centre at once, and each register has consequences the other cannot ignore.
1. How an Artery Closes
Atherosclerosis begins with particles. Every lipoprotein that carries cholesterol through the blood, LDL, VLDL remnants and Lp(a), wears one molecule of apolipoprotein B, which is why ApoB counts them. When there are many of them, some cross the thin lining of the artery and are retained in its wall. Retained, they oxidise; the immune system sends macrophages to clear them; the macrophages gorge and die, and their remains become the soft core of a plaque. Decades later a plaque ruptures, a clot forms on the tear, and the artery closes. In the heart that is a heart attack; in the brain, a stroke.
ApoB is canon in this corpus for that reason: it measures the cause directly. Genetic studies, drug trials and cohort data converge on the same finding, that lifelong exposure to ApoB-carrying particles drives plaque, and the lower and earlier that exposure, the less plaque. The target and its guideline figures sit at The Biggest Levers; Lp(a), set almost entirely by genes, is measured once in a lifetime.
The challenge to this position has come from people whose LDL soars on very low-carbohydrate diets, the so-called lean mass hyper-responders. A 2025 study reported that their ApoB did not predict plaque growth. It was retracted in May 2026: the scans had been read by an analyst who knew which were the baseline and which the follow-up, a blinded reading reversed the result, and a co-author held undisclosed equity in the company that did the reading (Retraction Watch).
The particle count still stands as the cause.
Particles are necessary and not sufficient. Pressure drives them into the wall: high systolic blood pressure accounted for 7.8% of the healthy life lost worldwide in 2021, second only to particulate air pollution (GBD 2021 Risk Factors). Insulin resistance multiplies the small, dense particles that cross most easily. Inflammation, from the gut, the gums, visceral fat or smoke, damages the lining and speeds the whole sequence, and Inflammation and Chronic Disease traces it step by step. Particles, pressure and terrain: an artery closes when all three are against it, and stays open for a century when they are not.
2. Fat, Rightly Placed
For half a century the dietary fat story was told badly in both directions. The first telling blamed all fat and all cholesterol, drove a generation toward refined carbohydrate and industrial seed oils, and carried documented capture, including a sugar-industry-funded review in the New England Journal of Medicine in 1967. The second telling, now fashionable, treats that capture as proof that fat is harmless to the artery. In September 2026 this corpus withdrew a planned article whose thesis was that the lipid hypothesis had been a scientific error, because the particle evidence does not allow it. What the evidence does allow is a distinction between fats. When saturated fat is replaced by unsaturated fat, LDL and ApoB fall; the World Health Organization’s analysis of 84 feeding trials found the largest fall with polyunsaturated fat and a smaller one with monounsaturated fat (Mensink, 2016). Extra-virgin olive oil has the strongest outcome trial of any food: in PREDIMED, 7,447 adults at high risk given a Mediterranean diet supplemented with it had 31% fewer heart attacks, strokes and cardiovascular deaths than a reduced-fat control, and the arm given nuts 28% fewer (New England Journal of Medicine, 2018). Coconut oil raises LDL by about 10 mg/dL against non-tropical oils across 17 trials, though less than butter (Neelakantan et al., Circulation, 2020). Ghee and animal fats raise it most when eaten in excess.
Harmonism holds that traditional fats, olive oil, raw coconut, unoxidized cold-pressed oils, phospholipids and ghee in modest measure, belong in the kitchen where the terrain is kept clean: where fasting empties the body regularly, where Purification keeps the liver and gut clear, and where overeating is not the daily condition. The practitioner lineages that teach this also teach that fasting and cleansing change how the body handles fat. That is practitioner experience, not trial evidence, and the trials say only that the same fat moves ApoB differently in different bodies. The arbiter is therefore not a list of approved fats but a measurement: a person’s own ApoB, tested before a change and three months after it, says whether a given fat is serving that body. The full argument belongs to the planned Dietary Fat and Cholesterol article.
3. Pressure
Blood pressure is the quietest of the heart’s enemies and the most treatable. It damages the artery lining, thickens and stiffens the heart muscle, and drives strokes, heart failure and kidney failure, usually without a single symptom. Of 1.4 billion adults with hypertension, 44% do not know they have it (WHO). The levers move it further than most people expect. Weight lost from the waist, sodium cut and potassium raised through whole food, alcohol stopped, sleep restored and aerobic fitness built each lower systolic pressure by several points, and together they can match a drug. Slow breathing lowers it acutely, and a nervous system that spends its days in fight-or-flight holds it high (Stress as Root Cause). The number that decides is the seven-day home average, taken by the protocol at Monitor; when it stays above target after three to six months of the levers, medicine enters.
4. Rhythm
The heart’s second failure is electrical. Atrial fibrillation, the commonest sustained arrhythmia, lets blood pool and clot in the upper chambers, and raises the risk of stroke about fivefold. It is often silent, which is why a pulse that is new and irregular belongs on the emergency list, and why a wearable that flags irregular rhythm has earned its place for anyone past midlife. Its drivers overlap with everything above: blood pressure, obesity, sleep apnoea, and alcohol, which triggers episodes at doses most people call moderate. The rhythm is also where the heart’s two registers meet most plainly. Heart rate variability, the beat-to-beat change that the vagus nerve produces, falls with stress, poor sleep and illness and rises with recovery, and Monitor reads it every morning as the nervous system’s account of the day before.
5. Fitness and Strength
The heart is a muscle, and it answers training. Cardiorespiratory fitness is the strongest predictor of survival yet measured: in 122,007 adults followed after treadmill testing, the least fit carried five times the mortality of the fittest (Mandsager et al., JAMA Network Open, 2018). Zone-2 work builds the base, the heart’s stroke volume and the muscles’ capacity to burn fat; occasional hard intervals raise the ceiling. Strength belongs beside it. Grip strength predicted cardiovascular death better than systolic blood pressure in the PURE study of 139,691 adults across 17 countries (Leong et al., Lancet, 2015), and muscle is the largest sink for the glucose and fat that would otherwise stay in the blood. After a heart attack, exercise-based rehabilitation cuts further heart attacks by 28% (Cochrane). The targets sit at The Biggest Levers.
6. The Centre
In the twenty-four hours after the death of someone close, a person’s risk of a heart attack rises twenty-onefold. Elizabeth Mostofsky and her colleagues found it among 1,985 heart-attack patients by comparing each person with themselves on other days, and the risk fell back day by day over the following week (Circulation, 2012). Poor social relationships raise the risk of coronary heart disease by 29% across 11 cohort studies (Valtorta et al., Heart, 2016). Depression after a heart attack predicts a worse outcome, and the American Heart Association has named it a risk factor for exactly that (2014). Grief, loneliness and despair register in the heart as surely as ApoB does.
One famous case needs correcting. Takotsubo cardiomyopathy, the sudden ballooning of the heart’s main chamber, is called the broken-heart syndrome, and emotional shock does trigger it; yet in the largest registry, 1,750 patients, physical triggers such as surgery, infection or asthma attacks were more common, 36% against 28% (New England Journal of Medicine, 2015).
The heart’s emotional register is real without the romance.
The traditions placed consciousness here long before any registry. Chinese medicine holds that the heart houses Shen, the spirit, and the Lingshu warns that when the heart is injured the spirit departs. The Charaka Samhita names the heart the gatherer of consciousness and the seat of ojas, the essence of vitality, with ten great vessels rooted in it. The Hesychast monks descend the mind into the heart through the prayer of the heart, a practice The Hesychast Cartography of the Heart follows in detail, and al-Ghazali’s Marvels of the Heart treats the qalb as the mirror in which the soul knows God. Harmonism reads these as witnesses to one structure, the heart centre, Anahata, the middle of the chakra column where the lower centres of survival and will meet the higher centres of expression and seeing (tradition and Harmonist doctrine, not trial evidence). The claim Harmonism makes from this is practical. A protocol that lowers ApoB and blood pressure and leaves a person isolated, grieving alone and closed in the chest has treated half the organ. Heart rate variability biofeedback, slow breathing to a rhythm that raises it, has trial support for anxiety and depression across 58 randomised trials (Lehrer et al., 2020); the larger claims made for a measurable field around the heart remain unreplicated. Devotion, forgiveness, company, and grief allowed to move instead of held, are the other half of heart care, and the corpus carries them at Solitude and Loneliness, Presence and the heart-centred practices of meditation.
7. Supplements, Tiered by Evidence
Supplements are the last layer, and the trials sort them sharply. Coenzyme Q10 has the strongest outcome evidence, in heart failure: in Q-SYMBIO, 420 patients given 100 mg three times daily for two years had half the major cardiac events of placebo, 15% against 26%, and fewer deaths (JACC Heart Failure, 2014). The trial was small, and its short-term endpoints were null. Statins lower the body’s own CoQ10, which is the usual reason it is paired with them.
Omega-3 fatty acids divide by dose and form. Purified EPA at 4 g a day cut major cardiac events by 25% in REDUCE-IT (2018), but its mineral-oil placebo raised LDL and inflammatory markers in the control arm, which leaves the true size of the effect uncertain (Ridker, 2022); combined EPA and DHA at the same dose was null in STRENGTH, and 1 g a day was null in VITAL. Atrial fibrillation rose on the high doses. Fish eaten as food, and an omega-3 index measured on the annual panel, are the safer reading.
Cocoa flavanols at 500 mg a day missed their primary endpoint in COSMOS, 21,442 adults, while cardiovascular death was 27% lower as a secondary finding (2022): promising, unproven. Magnesium matters to rhythm and blood pressure and is widely deficient, and no large outcome trial has yet tested it for heart events.
Safety and interaction file. Omega-3 at gram doses raises bleeding risk alongside anticoagulants and antiplatelet drugs, and raised atrial fibrillation in the high-dose trials; the markers are the omega-3 index and, on blood thinners, the clinician’s bleeding assessment. CoQ10 may reduce the effect of warfarin; the marker is the INR, checked after starting it. Magnesium accumulates when the kidneys are impaired; the marker is kidney function on the panel before dosing. Dosing belongs to Supplementation.
8. The Heart Protocol
Measure. ApoB annually, Lp(a) once, blood pressure as a seven-day home average each quarter, fasting insulin and HbA1c, hs-CRP read as information, resting heart rate and morning heart rate variability daily, VO₂ max yearly, grip strength quarterly. A coronary artery calcium scan once from the forties converts a probability into a picture of the actual artery, and Medical Interventions sets out what each score means.
Remove. No tobacco or nicotine in any form, no alcohol, no ultra-processed food, no industrial seed oils heated to smoking, and the sources of chronic inflammation traced and cleared, from the gums to the gut.
Build. Aerobic fitness four to five days a week with a zone-2 base, strength two to three days, 8,000 to 10,000 steps, sleep at a regular hour, and a diet of whole food, vegetables, fibre, fish, nuts, olive oil and traditional fats confirmed by ApoB.
Keep the terrain clean. Regular fasting and the Purification practices keep the liver and gut able to process what is eaten. The liver and gallbladder flush belongs to that practice as Harmonist doctrine, with its safety gates: an ultrasound first, and known stones a contraindication. Its evidence is open. The one chemical analysis published so far reported the expelled “stones” as saponified oil formed in the gut (Sies and Brooker, Lancet, 2005), and the practice holds its place in the doctrine while that finding waits for a fuller answer.
Open the centre. Company instead of isolation, grief moved through and not held, a practice that brings attention into the chest each day, and the slow breathing that raises heart rate variability.
Know the emergency. Chest pain or pressure, breathlessness, sweating or pain into the arm, jaw or back is a heart attack until proven otherwise; call emergency services and do not drive (the emergency list).
A heart kept this way carries a life at full capacity: the climb without breathlessness, the grief that passes through without breaking it, the attention that can rest in the chest and find it quiet. The pump and the centre ask for the same things, order in what enters the body and openness in what enters the soul, and the Wheel of Health and the Wheel of Harmony are two scales of the same care.
See also: Causes of Death and Chronic Disease, The Biggest Levers, Medical Interventions, Inflammation and Chronic Disease, Monitor, Blood Tests, The Hesychast Cartography of the Heart, Solitude and Loneliness, Alcohol