The article from Midwestern Doctor (AMD), titled "Understanding Blood Pressure in a Healthy Way" (published on midwesterndoctor.com and republished on sites like Mercola), presents a critical, contrarian view of mainstream blood pressure (BP) management. It challenges many established medical dogmas, arguing that the conventional focus on aggressively lowering BP numbers often does more harm than good, especially through over-medication.

AMD, a board-certified physician writing anonymously under "The Forgotten Side of Medicine" on Substack, builds on related pieces like "Unmasking the Great Blood Pressure Scam" and discussions of BP medication dangers. The core thesis: Medicine fixates on BP because it's easy to measure, while ignoring the more important factor — blood perfusion (adequate, healthy blood flow to tissues). High BP is often framed as a symptom of underlying circulatory problems (e.g., arterial stiffening, endothelial dysfunction, or impaired flow), not the primary cause of damage.

Key Myths and Controversies Highlighted

1.Myth: High BP directly causes cardiovascular disease and must be lowered aggressively

oControversy: AMD argues the causation is often reversed. Damaged or stiffened arteries impair flow, prompting the body to raise BP as compensation (to maintain perfusion). Lowering BP without addressing root causes can worsen tissue ischemia (poor oxygenation).

oSupporting points: Atherosclerosis and endothelial issues precede and drive elevated BP; correlation is misinterpreted as causation. Aggressive targets (e.g., <120/80 in recent guidelines) lack strong evidence of net benefit in many cases and increase risks.

2.Myth: BP thresholds are fixed and evidence-based

oControversy: Guidelines have repeatedly lowered thresholds (e.g., 2017 ACC/AHA shift to 130/80 "hypertension," expanding diagnoses to nearly half of U.S. adults), driven more by pharmaceutical influence and marketing than robust data. This creates millions more "patients" needing lifelong meds. Historical shifts (e.g., focus moving from diastolic to systolic) show arbitrary changes.

3.Myth: Salt reduction is key to controlling BP

oControversy: Drastic salt cuts yield minimal BP drops (<1% per Cochrane reviews), and salt is essential for health. Hospital IV saline often delivers far more sodium without major BP spikes.

4.Myth: BP meds are safe and their benefits come purely from lowering BP

oControversy: Different drug classes lower BP similarly but vary wildly in outcomes (e.g., ACE inhibitors sometimes show CV benefits beyond BP drop; others don't). Benefits aren't a direct result of the number reduction — it's an inadequate surrogate marker.

oHarms emphasised: Over-treatment risks hypotension, falls (especially dangerous in elderly, linked to higher mortality), kidney injury, cognitive decline, electrolyte issues, and more. Deprescribing in older patients dramatically improves outcomes (e.g., reduced death rates from falls). Side effects are underreported (e.g., ACE inhibitors cause cough in up to 35%, kidney risks).

5.Measurement controversies

oBP is highly variable (±14 points common), prone to errors (wrong cuff size, white coat hypertension in 15-30%, arm position differences). Up to 25% of diagnoses may be inaccurate. Peripheral (arm) readings poorly reflect central (aortic) pressures.

Proposed Alternative Perspective and Recommendations

Treat underlying causes (e.g., stress/anxiety, sleep apnea, poor circulation, metabolic issues) rather than just chasing numbers.

Lifestyle approaches (whole foods, exercise, sunlight, natural therapies) can resolve issues without meds — AMD shares reader anecdotes of success.

If meds are needed, choose selectively based on patient profile, not blanket guidelines.

Healthy BP varies by individual, age, and context (non-linear benefits; very low systolic <90 is risky). Empower patients to monitor at home and address root perfusion problems.

This piece is provocative and aligns with AMD's broader critiques of pharmaceutical-driven medicine (e.g., similar to views on statins/cholesterol). It's not mainstream consensus — major organizations like AHA/ACC still emphasize treating hypertension to prevent strokes, heart attacks, etc., based on large trials showing benefits from BP reduction in high-risk groups. AMD counters that those benefits are often drug-specific, not purely BP-related, and that over-treatment harms are under-discussed.

https://www.midwesterndoctor.com/p/understanding-blood-pressure-in-a