Most public discussion around blood pressure fixates on the dangers of hypertension (high blood pressure). Doctors, guidelines, and pharmaceutical campaigns have spent decades lowering the official thresholds, turning tens of millions more people into patients and pushing medications aggressively. What receives far less attention — and what Dr. Joseph Mercola and contributor A Midwestern Doctor highlight in their February 2026 article — is the equally real, sometimes more urgent danger on the other side: hypotension, or blood pressure that drops too low.

Blood pressure is not a simple "lower is always better" metric. It is the force that perfuses (delivers oxygen and nutrients to) your brain, heart, kidneys, and other vital organs. When it falls too low — especially if driven by over-treatment — those organs can starve, leading to immediate symptoms and long-term damage.

The Real Risks of Going Too Low

Conventional medicine often treats blood pressure like a linear dial you can safely crank downward. Reality is more complex, and the risks of hypotension include:

Falls and fractures: Dizziness, lightheadedness, and fainting (syncope) are classic symptoms. In older adults, whose arteries are often stiffer and who need higher pressure to push blood to the brain, aggressive lowering dramatically increases fall risk. One study of nearly 5,000 adults over 70 found serious falls in 9% and high mortality over three years when blood pressure was pushed too low.

Organ damage from poor perfusion: The brain, kidneys, and heart are highly sensitive to reduced blood flow. Chronically low pressure can contribute to cognitive decline, ischemic strokes (from inadequate brain circulation), acute kidney injury, and worse outcomes in patients with existing kidney disease. Studies show low blood pressure in end-stage renal disease patients increases mortality by around 39%.

Shock and life-threatening emergencies: A sudden severe drop can lead to hypoperfusion shock, where organs begin to fail due to insufficient oxygen. This is a medical emergency.

Higher overall mortality in some groups: An Israeli study found that elderly patients who stopped an average of 2.8 medications (including antihypertensives) saw their one-year death rate drop from 45% to 21% — partly because fewer falls and better organ perfusion.

Blood pressure below 90/60 mm Hg is generally considered hypotension. Readings dipping into the 90s systolic often provide no proven cardiovascular benefit while introducing clear harms, especially in the elderly.

Why Over-Treatment Creates This Problem

Mercola's piece argues that modern guidelines have been repeatedly lowered, expanding the "hypertensive" population to nearly half of U.S. adults. This drives massive medication use (around 60 million Americans). Many drugs lower pressure by dilating vessels, reducing blood volume, or weakening heart contraction — sometimes overshooting and causing iatrogenic (medication-induced) hypotension.

Common side effects include dizziness, fatigue, electrolyte imbalances, and reduced quality of life. Doctors often focus on hitting numerical targets while downplaying how aggressively lowering pressure can impair circulation in people with stiff arteries or other circulatory issues. High blood pressure is frequently a symptom of underlying problems (endothelial dysfunction, arterial stiffness, chronic inflammation) rather than the root cause itself. Treating the number without addressing perfusion can make things worse.

This mirrors patterns seen with statins and other surrogate-marker-driven medicine: expand the market by lowering thresholds, prescribe aggressively, and minimise discussion of the downside risks.

A Balanced View: Neither Extreme is Ideal

Too high (sustained hypertension): Damages blood vessels over time, raising risks of heart attack, stroke, kidney disease, and aneurysm.

Too low (especially medication-induced): Causes immediate symptoms (dizziness, fainting) and can starve organs of blood flow, leading to falls, cognitive issues, kidney injury, and increased mortality in vulnerable populations.

The "J-curve" phenomenon appears in some studies: cardiovascular risk rises at both very high and very low pressures. Optimal ranges are generally considered around <120/80 mm Hg for most adults, but targets should be individualised — particularly for older people, where pushing systolic below 110–120 mm Hg can do more harm than good.

What This Means Practically

Blood pressure management should not be a blunt "lower at all costs" strategy. Key principles include:

Measure accurately and repeatedly (white-coat hypertension and measurement errors are common).

Address root causes: lifestyle factors (weight, salt intake in context, stress, inflammation, endothelial health) often matter more than chasing a number.

Be cautious with aggressive pharmaceutical lowering, especially in the elderly or those with circulatory compromise.

Monitor for symptoms of low pressure: dizziness on standing, fatigue, blurred vision, fainting.

Mercola and the article advocate shifting focus from rigid numerical targets to improving overall circulatory health and perfusion. Natural approaches (diet, exercise, stress reduction, addressing underlying inflammation) can support better vascular function without the risks of overshooting into hypotension.

Bottom Line

High blood pressure deserves attention, but the medical system's enthusiasm for ever-lower targets has created a blind spot for the dangers of going too low. Over-treatment with blood pressure medications can turn a manageable condition into a source of falls, organ stress, and reduced quality of life.

True cardiovascular health comes from understanding your body's actual needs for adequate blood flow — not from hitting an arbitrary low number on a chart. If you're on blood pressure medication and experiencing dizziness, fatigue, or frequent lightheadedness, it's worth discussing with your doctor whether your target is too aggressive.

Balance matters. Extremes on either side carry risks. The goal should be healthy, sustainable circulation — not just a "perfect" reading at any cost. One set of numbers does not suit all.

https://articles.mercola.com/sites/articles/archive/2026/02/27/understanding-blood-pressure.aspx