A Paradigm Shift: Rethinking Healthcare Before It's Too Late
- Rob Costello
- Mar 26, 2025
- 3 min read
Updated: Mar 26, 2025

The Problem: A Reactive Healthcare System
For decades, modern medicine has operated on a reactive model—intervening only when a patient has already developed a disease. Preventive care exists in theory, but in practice, it often amounts to waiting until lab values cross a predetermined threshold before taking action.
A perfect example of this is prediabetes.
Currently, there are five different definitions of prediabetes, based on various cutoff values for:
· HbA1C (glycated hemoglobin)
· Fasting blood glucose
· 2-hour glucose tolerance test results
Despite these variations, most guidelines define prediabetes as an A1C of 5.7% or higher. But what if your A1C is 5.5%?
In most healthcare settings, the response would be:
“Let’s keep an eye on it.”
“Try to eat better.”
“We’ll check again next year.”
Fast forward 12 months—your A1C increases to 5.8%, meaning you've officially crossed into prediabetic territory. Now, your doctor prescribes Metformin, a common medication used to manage blood sugar levels.
While Metformin is generally safe, it isn’t without risks:
Vitamin B12 deficiency
Increased lactate production, leading to a more acidic internal environment
Potential liver strain
Wouldn’t it make more sense to intervene sooner?
A Shift in Thinking: Why Prevention Needs to Start Now
Rather than waiting for arbitrary cutoffs to dictate when action should be taken, a proactive healthcare model focuses on early intervention and optimization—long before a disease is formally diagnosed.
Consider how we approach other aspects of life:🏃 Training for a marathon doesn’t start two weeks before race day.💰 Planning for retirement doesn’t begin at 64.⚠️ Yet, in healthcare, we routinely wait until a condition is established before addressing it.
This reactionary approach is why so many chronic diseases—diabetes, heart disease, obesity—continue to rise despite advances in medicine.
To shift the paradigm, we need to focus on prevention, data-driven decision-making, and behavioral change.
The Functional Medicine Approach: A Data-Driven Shift
Instead of waiting until someone is “officially” sick, a proactive healthcare model uses modern technology, individualized data, and behavioral science to make real-time adjustments to health.
Key Differences in This Approach
✅ Wearable Technology – Smartwatches, fitness trackers, and continuous glucose monitors provide real-time insights into daily movement, sleep, and metabolic health.
✅ Advanced Lab Testing – Standard lab panels often miss key early indicators of disease. More in-depth testing provides a better picture of a person’s health trajectory.
✅ Dietary Transparency & Accountability – Research shows that self-reported diets are often inaccurate. Tools that track actual food intake provide a realistic view of nutrition and metabolic function.
✅ The Hawthorne Effect – This psychological principle states that people change their behavior when they know they are being observed. By implementing interactive health monitoring, we help individuals develop better habits that become second nature over time.
Redefining Health: Prevention Over Prescription
Under this new paradigm, a person with an A1C of 5.5%wouldn’t just be told to “wait and see.” Instead, targeted interventions would begin immediately, addressing:
✔️ Insulin sensitivity
✔️ Exercise habits
✔️ Nutritional deficiencies
✔️ Metabolic health markers
One year later, instead of seeing their A1C rise to 5.8% and being prescribed Metformin, this person would likely see:
A1C decreasing to 5.2%
Sustainable weight loss
Increased energy and vitality
Improved overall well-being
This shift is not just about avoiding medication—it’s about enhancing quality of life, longevity, and resilience.
By redefining healthcare as a proactive pursuit rather than a reactive system, we empower individuals to take charge of their health before disease takes hold.
This is the paradigm shift modern medicine needs.




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