Reversing High Blood Pressure in a Week

What most doctors don’t know.

The Life-Changing Text Message

Healing is a matter of time, but it is sometimes also a matter of opportunity.

Hippocrates

It was a Sunday afternoon, December 7, 2025, when my phone buzzed. Kim, a 41-year-old male friend, was in Vancouver on business and wanted to catch up. I said, let's have dinner at 123Dough.

Kim was on his way back from Korea and Japan, en route to Toronto. While in Korea, he had a full-body exam, the kind of thorough checkup Koreans routinely get for just $1500. His sisters said it was a good opportunity to get one done and get a baseline. He otherwise looked and felt fine. Completely asymptomatic.

Over dinner, he told me the story that changed his life.

The morning after his exam, at 7:30 am, the Korean doctor called him. Urgently. The doctor was shocked that Kim hadn't already had a heart attack. He told Kim to see a physician immediately upon his return home.

His numbers:

  • HbA1c: 11.2% (diabetes is diagnosed at 6.5%. This is catastrophically high.)

  • Fasting blood glucose: over 11 mmol/L (200 mg/dL)

  • Blood pressure: 160/90 (considered stage 2 hypertension)

  • High cholesterol. High liver enzymes.

  • Slightly overweight with a growing abdomen.

I was shocked. I told Kim they must have gotten the blood tests mixed up. An HbA1c of 11.2 at 41? With zero symptoms? That's the kind of number you see in uncontrolled diabetics headed for dialysis, blindness, and amputation.

I said, "Let's go to the drug store right after dinner and get a continuous glucose monitor and verify."

To my surprise, his glucose was over 12 mmol/L and climbing. It was real.

Kim had been reading my newsletter for a year. He had read the science. He read the principles. But it was abstract. It didn’t feel applicable to him (yet). It was an interesting read, but it wasn't personal until now. That's the nature of the Grim Reapers. They wait until you're looking the other way, and then they tap you on the shoulder to either wake you up or invite you to go with them to the other side forever.

It is one thing to read about fire. It is another to get burned by it. The paradigm shifts only when the ground beneath your feet shakes.

Dr. Kevin Ham

I explained to Kim that I had three reversal protocols:

  • Pro (1 week): aggressive, rapid results

  • Medium (1 month): substantial but more sustainable

  • Easier (3 months): gradual, still powerful

Kim quickly chose Pro. He was highly motivated. His doctor in Korea had scared him straight. I told him Pro was based on my first principled thinking, as no one had yet chosen Pro. He would be my first client. I told him it would be hard. Suffer for a week, but results should come very quickly. Unlike anything any doctor or patient has seen. I was comfortable as he was still young, and I knew he had a strong mindset if supported. I suggested we set up a daily chatroom for him to post his daily glucose, weight, and blood pressure, and to note his feelings and symptoms.

The Pro protocol: a low-caloric, low-fat diet. One meal a day. On the 7th day, no meals. And if possible, a 2-3 day fast near the end of the week.

We drove straight to Whole Foods and bought everything he needed for his one daily meal:

  • Steel-cut oatmeal with chia seeds and ground flaxseed

  • Salad mix

  • Lentils and black beans

  • Natto (2-3 tablespoons)

  • Blueberries

  • Half a red grapefruit

  • 50 ml pomegranate juice

  • Ginger/turmeric drinks

  • Spirulina

The protocol still included carbs, which is usually a no-no for diabetics, but our goal was specific and strategic: reduce his visceral fat rapidly and make room in his liver for glucose. His liver was so fatty and insulin-resistant that glucose had nowhere to go. It was backing up in his blood like a traffic jam. First, we had to clear the road. Then, we could consider a low-carb diet.

Kim was a pro, and he executed like one. He did a two-day fast in the middle of the week. He wore the glucose monitor and adjusted his meals when he noticed his glucose spiked with grapefruit. He low-carbed his diet himself. His visceral fat essentially melted. I estimated that over 50% visceral fat around his organs would be gone in a week, based on studies I have read.

In just five days:

  • Fasting glucose dropped from over 12 mmol/L to 5 mmol/L (216+ mg/dL → 90 mg/dL)

  • Blood pressure plummeted from 160/90 (stage 2 hypertension) to 110/70 (normal and healthy for adult males)

All this in five days. His post-meal glucose still spiked, but this was to be expected, as the insulin resistance hadn't fully resolved.

We transitioned him to the medium protocol for 30 days:

  • Weight: 144 lbs → 124 lbs (20 lbs lost)

  • Blood pressure: 105/70 (normal)

  • Fasting glucose: 4.5 mmol/L (81 mg/dL, perfectly normal)

  • Blood results: normal across the board

  • HbA1c: 11.2% → 7.8% in just 30 days

That HbA1c drop is extraordinary. HbA1c measures your average blood glucose over the past 3 months. To move it 3.4 points in one month means his blood sugar environment changed so drastically that even the 90-day average couldn't hide it.

His body was remembering what normal felt like.

Kim didn't take a single medication. No metformin. No insulin. No blood pressure pills. No statins. Just food. Just fasting. Following my protocol.

The body does not forget. It waits. It waits for you to stop poisoning it, and then it begins the work of repair with a speed that humbles the physician and stuns the patient.

Dr. Kevin Ham

I lost my dear friend Rob Thompson on February 10, 2025. He was 58. He was supposed to fly from San Francisco to Vancouver to visit me that very day. He died of a heart attack in the morning. I wasn’t able to help Rob. But Kim texted me that Sunday, and I believe that text message saved his life.

This newsletter is about one of the four Grim Reapers, high blood pressure, and the stunning, science-backed fact that it can be reversed in days to weeks without medications. Not managed. Reversed. Kim proved it. The studies prove it. And I want you to know it, so that when the Grim Reaper taps someone you love on the shoulder, you have the answer.

The Silent Invasion

Medicine is a science of uncertainty and an art of probability.

Sir William Osler

Nearly half of all American adults, 122 million people, have high blood pressure. Here are the numbers from the latest CDC data (NHANES 2021-2023):

Your Age

Your Odds Of Hypertension

18–39

23.4%

40–59

52.5%

60+

71.6%

By your 60s, 7 out of 10 people you know have hypertension.

In Canada, it's 22.6%.

Worldwide, 1.3 billion people, doubled since 1990.

And yet, only 59% of Americans with hypertension even know they have it. Only 1 in 5 have it under control.

10.8 million people die every year from hypertension-related diseases. It is responsible for 54% of all strokes and 47% of all ischemic heart disease. A mere 2 mmHg reduction in population SBP would prevent 10% of stroke deaths globally.

But here is the statistic that should haunt every physician: 68% of all mortality attributed to high blood pressure occurs in people whose systolic pressure (the upper number) is between 120–140. This is the range most doctors call "borderline" and choose to “watch.”

Kim's blood pressure was 160/90. Rob's was probably in the "borderline" range. Watching is not enough.

What High Blood Pressure Does To You

The physician treats, but nature heals.

Hippocrates

Blood pressure doesn't hurt. That's the trap. It produces no symptoms until it has already done catastrophic damage. The WHO calls it the single most important risk factor for death worldwide. Kim felt perfectly fine at 160/90 with an HbA1c of 11.2. That's the terrifying part.

Your Heart: The muscle thickens to overcome the resistance. Then it stiffens. Then it fails. 69% of first heart attacks occur in people with BP above 140/90. Hypertension is the leading cause of heart failure.

Your Brain: A 20 mmHg increase in SBP doubles your risk of death from stroke. Chronic high pressure damages small cerebral vessels, causing white matter lesions and progressive cognitive decline. Midlife hypertension is now a recognized risk factor for Alzheimer's.

Your Kidneys: Hypertension is the #2 cause of kidney failure. High blood pressure damages the delicate glomerular capillaries, and the kidneys fail to excrete sodium, worsening hypertension. It’s a vicious cycle.

Your Eyes. Your Aorta. Your Limbs. Every vessel in your body takes the beating.

The body does not break all at once. It erodes. Like waves upon a cliff. Silent. Persistent. Until the cliff collapses.

Dr. Kevin Ham

The 5 Root Causes From First Principles

Le silence éternel de ces espaces infinis m'effraie.
(The eternal silence of these infinite spaces frightens me.)

Blaise Pascal

Blood pressure does not rise randomly. It rises because something has gone wrong at a fundamental level. I found five root causes, each feeding the others in a vicious web:

1. Nitric Oxide Deficiency (Endothelial Dysfunction)

This is the master switch. The endothelium, the single-cell lining of every blood vessel, produces nitric oxide (NO), the molecule that relaxes and dilates your arteries. When NO is depleted, your arteries cannot dilate. Pressure rises.

Why does NO get depleted? Oxidative stress destroys it. The cofactor BH4 gets oxidized, and the very enzyme meant to produce NO (eNOS) starts producing harmful superoxide instead. A vicious cycle. The Western diet, high in salt, fat, and sugar, drives it. Lack of dietary nitrates (beetroot, leafy greens) starves the alternative NO pathway.

2. RAAS Overactivation

The Renin-Angiotensin-Aldosterone System is meant for emergencies: dehydration, blood loss. In essential hypertension, it's chronically stuck in overdrive. Angiotensin II constricts vessels. Aldosterone causes the kidneys to retain sodium and water. Insulin resistance activates RAAS, and RAAS worsens insulin resistance. The Western diet fuels the entire loop.

3. Sympathetic Overdrive : Cortisol and Stress

Chronic stress. Cortisol. Catecholamines. Your body is running a fight-or-flight system that never turns off. Cortisol suppresses nitric oxide production, triggers endothelin-1 (a powerful vasoconstrictor), and activates the RAAS. This has the single strongest association with essential hypertension of any mechanism.

4. Arterial Stiffness : The Thick Walls

Arteries are meant to be elastic. Years of high pressure, inflammation, oxidized LDL, and advanced glycation end products (AGEs) lead to collagen replacing elastin. Smooth muscle cells proliferate. The pipes become rigid. The heart pumps harder. Pressure rises further. Plaque narrows the lumen.

5. Renal Sodium Dysfunction

The kidneys are the final arbiter. ~50% of hypertensives are salt-sensitive. Genetic variants shift the pressure-natriuresis curve — meaning the kidney needs higher pressure to excrete the same amount of sodium. RAAS overactivation, insulin resistance, sympathetic overdrive, and gut microbiome disruption from high-salt diets all compound this.

The Yanomami people of the Amazon, who eat a traditional plant-based diet with minimal sodium, have ZERO age-related rise in blood pressure. An 80-year-old Yanomami has the blood pressure of a 20-year-old Westerner.

The age-related rise in blood pressure is not natural. It is the signature of the Western diet written on our arterial walls.

The Drugs

The person who takes medicine must recover twice, once from the disease and once from the medicine.

Sir William Osler

There are five classes of blood pressure drugs. They all lower the number. None of them fixes the cause. They lower blood pressure an average of −9.1/−5.5 mmHg at recommended doses. And 60% of medicated patients still have uncontrolled blood pressure.

Here's what each class does and what it doesn't:

ACE Inhibitors (Lisinopril, Ramipril) : Block the RAAS cascade. But: persistent cough in 15-20%, hyperkalemia, dangerous in pregnancy. Address only Root Cause #2.

ARBs (Losartan, Valsartan) : Block the angiotensin receptor. Better tolerated. But: still only address Root Cause #2. Your endothelium is still broken. Your arteries are still stiff.

Calcium Channel Blockers (Amlodipine) : Force arteries open by blocking calcium entry into smooth muscle cells. But: swollen ankles, headaches, gum overgrowth. They override the signaling rather than restore it. Address only Root Cause #4 — and only the functional component.

Thiazide Diuretics (Chlorthalidone, HCTZ) : Force kidneys to dump sodium and water. But: deplete potassium (dangerous), raise uric acid (gout), raise blood sugar (can trigger diabetes), increase cholesterol. Address only Root Cause #5.

Beta-Blockers (Metoprolol, Atenolol) : Chemically restrain the heart from beating too fast. But: a 2024 study of 97,639 patients found that beta-blockers as first-line caused MORE cardiac events than any other drug class. Fatigue, weight gain, depression, sexual dysfunction, and cold hands. Address only Root Cause #3.

Every drug addresses one root cause. The body has at least five. That's why the drugs fail in 60% of patients.

Dr. Kevin Ham

Reversal with Lifestyle

One of the first duties of the physician is to educate the masses not to take medicine.

Sir William Osler

Study 1: Water-Only Fasting: The Largest BP Reduction Ever Published

Dr. Alan Goldhamer, TrueNorth Health Center. 174 hypertensive patients. 10-11 days of medically supervised water-only fasting.

  • Average reduction: −37/−13 mmHg

  • Severe hypertensives (SBP >180): −60/−17 mmHg

  • 89% normalized to below 140/90

  • 100% discontinued all blood pressure medications

  • PubMed Link

Compare: the average drug lowers BP by 9 mmHg. Fasting lowers it by 37. That's 4x the effect. No pills. No side effects. No refills.

Kim's result: 160/90 → 110/70 in 5 days. A 50/20 mmHg drop. Even greater than the study average.

Study 2: 1,610 Subjects: Buchinger Fasting (2020)

Published in the Journal of the American Heart Association. 10 days average. Hypertensives without meds: −16.7/−8.8 mmHg. Severe cases (>160/100): −24.7/−13.1 mmHg. Two-thirds of medicated patients reduced or stopped their drugs. JAHA Link

Study 3: NEWSTART Lifestyle: 14 Days

114 hypertensive subjects. Whole-food vegan diet + exercise + lifestyle coaching. SBP dropped −19 mmHg in two weeks. 40% achieved SBP below 120. 93% discontinued or decreased medications. Study Link

Study 4: McDougall Program : 7 Days

1,615 participants. Low-fat, starch-based, plant-based diet. Median SBP drop: −8 mmHg in 7 days — despite most antihypertensive medications being stopped at baseline. PMC Link

Study 5: DASH Diet : 2 Weeks

The gold standard dietary trial from the NEJM. Hypertensives: −11/−6 mmHg from diet alone. Effects begin within 2 weeks. No weight change required. Comparable to a typical antihypertensive drug. NEJM Link

Drugs vs. Food

The antifragile loves randomness and uncertainty... certain stressors and volatility make you stronger. (Fasting is that very stressor; it makes the body stronger).

Nassim Nicholas Taleb

Drug Therapy

Water-Only Fasting

Plant-Based Diet

Ground Flaxseed

SBP Reduction

−9 mmHg

−37 mmHg

−8 to −19 mmHg

−10 to −15 mmHg

Root Causes Fixed

1 of 5

5 of 5

3-4 of 5

1-2 of 5

Side Effects

Multiple

Mild, transient

None

None

Diabetes Risk

Increased

Decreased

Decreased

Neutral

Reverses Plaque

No

Partially

Yes

Partially

Duration

Lifelong

7-14 days

Ongoing

Ongoing

Annual Cost

$500–$3,000+

One-time

Cost of groceries

~$30

Top 10 Foods That Lower Blood Pressure

If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health.

Hippocrates

These are backed by clinical studies, not hearsay. Six of the ten were in Kim's daily meal:

1. Beetroot juice: Lowers BP within 2-6 hours. Nitrates → nitric oxide → vasodilation. Meta-analysis: −4 to −10 mmHg SBP. (PMC)

2. Ground flaxseed (30g/day) : "One of the most potent antihypertensive effects achieved by a dietary intervention." Hypertensives: −15/−7 mmHg. RCT published in Hypertension. (AHA) ✓ Kim's daily meal

3. Hibiscus tea: Matched the drug Captopril in a head-to-head trial. −11% SBP / −12.5% DBP in 4 weeks. (PMC)

4. Leafy greens (spinach, arugula, kale) : High in nitrates, potassium, magnesium, calcium. The same NO pathway as beetroot. ✓ Kim's daily salads

5. Pomegranate juice (50-150ml/day): 30% reduction in carotid artery wall thickness. Lowers SBP and DBP within 2 weeks. I drink 50ml daily. ✓ Kim's 50ml daily

6. Dark chocolate / cocoa (high flavanol): Increases NO bioavailability. 15 days → measurable BP reduction in hypertensives.

7. Garlic (aged extract): −5 to −8 mmHg SBP in hypertensives. ACE inhibition + hydrogen sulfide vasodilation.

8. Berries (blueberries, strawberries) : Anthocyanins improve endothelial function. The highest intake is linked to the lowest hypertension risk. ✓ Kim's daily blueberries

9. Potassium-rich foods (sweet potatoes, white beans, bananas) : Promote sodium excretion. −3 to −5 mmHg SBP. Counters the Western sodium overload. ✓ Kim's lentils and black beans

10. Seeds (pumpkin, chia, flax, hemp): Magnesium, potassium, L-arginine (NO precursor). Multi-pathway support. ✓ Kim's flax & chia seeds

Why Fasting Reverses All 5 Root Causes Simultaneously

Tout le malheur des hommes vient d'une seule chose, qui est de ne savoir pas demeurer en repos dans une chambre.
(All of humanity's problems stem from man's inability to sit quietly in a room alone.)

Blaise Pascal (quietly letting the body heal)

This is why fasting produces results 4 times greater than drugs. It doesn't target one pathway. It resets the entire system:

1. NO Restoration: Fasting reduces oxidative stress → eNOS recouples → NO production resumes → arteries relax

2. RAAS Reset: Zero sodium intake + reduced insulin → RAAS deactivates → sodium and water excretion normalizes

3. Sympathetic Downregulation: Parasympathetic activation → cortisol normalizes → heart rate drops → vasoconstriction eases

4. Vascular Relaxation: No dietary sodium, sugar, or saturated fat → endothelin-1 drops → functional stiffness resolves within days

5. Renal Recalibration: Kidneys excrete accumulated sodium freely → pressure-natriuresis relationship resets

It's like rebooting a computer that has been running for 40 years without a restart.

Dr. Kevin Ham

Kim's body rebooted in 5 days. His liver began emptying fat. His pancreas began recovering insulin function. His blood vessels relaxed. His kidneys began excreting the sodium they'd been hoarding. Every root cause began resolving simultaneously because we removed the cause, not just masked the symptom.

Save a Loved One

Forward my newsletter and YouTube channel to your friends and family. 

122 million Americans have high blood pressure. 1.3 billion worldwide. Most don't know. Many are your loved ones.

Based on the data in this newsletter, you may be able to help save someone's life with knowledge alone. It could be your father, your spouse, or your best friend. It could have been Rob. It was Kim because he happened to text me on a Sunday.

You'll find these articles essential reading:

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You’ll find these articles insightful and helpful as well:

Life-Changing Questions

Before you heal someone, ask him if he's willing to give up the things that make him sick.

Hippocrates

What is your blood pressure right now? When was the last time you checked?

Don't wait for the Grim Reaper to reveal himself. Get a blood pressure cuff. Check it this week. If it's above 120/80, start making changes today — not next month, not next year. The studies show that even 7 days of the right diet can begin the reversal. Kim's showed results in 5.

If you are on medications, do not stop them without medical supervision. But know this: the science shows that with the right protocol, the majority of patients can reduce or eliminate their medications.

The body remembers what normal is. You just have to give it the chance to remember.

Next Issue: An Essay on Compounding Wealth

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