0
%
Elite VO₂ max is associated with up to 80% lower risk of early death.¹
0
%
Over 70% of men are not metabolically healthy—even when standard labs appear normal.²
%
0
Men with low muscle strength have a 60% higher risk of early death.³
15 years practicing Emergency Medicine taught me this:
performance in your 90s and 100s is built decades earlier.
Instead of waiting for disease, I learned to recognize decline early — while decisions still matter.
This approach grew out of years of seeing decline arrive too late and deciding not to practice medicine that way.
If you want to perform at the top tier for your age, you need a system designed for the top tier.
Joseph A. MacLellan, PA-C
15+ years Emergency Medicine · Dual Masters in Exercise Physiology and Medicine,
Founder, Eternaal Health
Decline starts long before symptoms.
Most medicine reacts to disease.
Eternaal intervenes earlier—when decisions still matter.
Performance & Longevity Medicine
We build margin.
Risk
Recovery
Capacity
Trajectory
Test, Track & Improve.
Measure what matters.
Improve what moves the needle.
We don't guess.
We identify constraints.
We intervene deliberately.
And we retest to confirm direction—not just effort.
Progress is only real if its measured.
Testimonials
"This isn't about treating problems. It's about seeing trajectory early and correcting it before it matters."
— Neil P. Physician
⭐⭐⭐⭐⭐
Testimonials
“My labs were always ‘normal,’ but I knew something was missing. I finally feel like I understand what matters."
48 E- Goal - Longevity
⭐⭐⭐⭐⭐
Testimonials
“Everyone should do this!
This is what modern medicine should have been all along—prevention, performance, and preserving capacity as you age.”
Mike K.
⭐⭐⭐⭐⭐
REFERENCES
1. Myers J, McAuley P, Lavie CJ, Despres JP, Arena R, Franklin B. Physical activity and cardiorespiratory fitness as major markers of cardiovascular risk: their independent and interwoven importance to health status. Prog Cardiovasc Dis. 2015;57(4):306-314. doi:10.1016/j.pcad.2014.09.011 2. Lustig RH, Schmidt LA, Brindis CD. The toxic truth about sugar. Nature. 2012;482(7383):27-29. doi:10.1038/482027a (Referencing NHANES data on metabolic health prevalence) 3. Gale CR, Martyn CN, Cooper C, Sayer AA. Grip strength, body composition, and mortality. Int J Epidemiol. 2007;36(1):228-235. doi:10.1093/ije/dyl224