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Could Your Mouthwash Be Increasing Your Risk of Heart Disease?
Most people believe that killing bacteria in the mouth is always a good thing. But in a way it is similar to taking antibiotics every day...
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Nitric Oxide: The Master Regulator Nutrition in the Body
Most people think of minerals and amino acids as isolated nutrients. The truth is most people in the developed world get more than enough...
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Brain Health Begins With Blood Vessel Health
For decades, Alzheimer’s disease has largely been viewed as a disease of amyloid plaques and tau tangles.
While these abnormalities remai...
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Heart Rate Variability: The One Number That Tells You How You'...
HRV your master biometric
By Jeff Butterworth ND, Butterworth Health
You know your weight. You probably know your blood pressure. You mi...
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Health Optimisation Program
Health Optimisation · Longevity
RESET your Health
by Jeff Butterworth, N.D 1 June 2026 8 min read
Somewhere in our mid-twe...
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Heart Disease Tests And The One Molecule That Protects
Heart disease remains the leading cause of death worldwide.
Yet most people still rely on a standard cholesterol panel to assess their ca...
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The Interstitium and How To Optimise Its Function
The Hidden Fluid Network Inside Your Body: Why It Matters for Nitric Oxide, Cellular Communication and Healthy Aging
For decades, we were...
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Low hormone levels or Nitric Oxide?
Does Low Hormone Function Drive Low Nitric Oxide — or Does Low Nitric Oxide Drive Hormone Decline?
As we age, many people notice a simila...
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Why you feel old and how to fix it
Healthy Aging · Cardiovascular Health
The Hidden Reason You Feel Older Than You Should
And the molecule almost no one over 50 has ever...
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Nitric Oxide, Disease Prevention and Healthy Aging
Why Dietary Nitrates May Be One of the Most Important Nutrients After 50
For most people over the age of 50, aging seems to happen gradu...
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Nitric Oxide, HRV and the Vagus Nerve
The Hidden Connection Between Circulation, Recovery and Healthy Aging
Heart Rate Variability is emerging as one of the most important b...
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Why Mitochondria May Be the Missing Link in Modern Health
When people think about health, they often focus on cholesterol, hormones, weight, b...
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