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Here’s what people are reacting to: a wave of new coverage highlighting VO₂ max as one of the strongest predictors of longevity, with cardiologists calling it a “vital sign” that deserves more attention than cholesterol alone. The takeaway circulating online is simple: if you want to live longer, improve your aerobic fitness.
As our ResetRx advisor, Dr. Jacob Kelly, explains:
“Cardiovascular fitness predicts longevity and how long someone will live with better accuracy than almost any other metric. The VO₂ max is like a credit score for your heart and mitochondria.” Read more on Dr. Kelly's substack
With this weekend's severe winter storm, many of us were hunkered indoors.
When that happens, something predictable shows up. It’s not that people stop caring about their health. It’s that movement, sleep, and daily rhythm quietly change when everything shifts indoors. Not dramatically. Just enough to matter.
Winter doesn’t usually break routines all at once. It removes the defaults. The walk that used to happen without thinking. The natural transition from day to evening. The subtle cues that kept bedtime from drifting later. When those disappear, health doesn’t collapse overnight. It drifts.
And drift is dangerous because it feels harmless.
If you have spent time learning about nutrition and longevity, chances are the Mediterranean diet has earned your trust. It is one of the most studied eating patterns in the world, and for good reason. Decades of research link it to lower rates of heart disease, diabetes, cognitive decline, and early mortality.
But recently, a colder climate cousin has been getting more attention. The Nordic diet, rooted in the traditional eating patterns of Denmark, Sweden, Norway, Finland, and Iceland, is showing many of the same health benefits, including improvements in sleep quality and longevity.
So how do these two diets compare, and what can we learn from the Nordic approach if you are already a fan of Mediterranean-style eating?
Monday morning is one of the most powerful psychological moments we have. It is when the brain is most open to new starts, new identities, and changes that feel possible. Not dramatic reinventions. Just beginnings.
Research from the University of Pennsylvania shows that New Year’s motivation is real, but it fades quickly unless change is built around small, repeatable resets rather than big resolutions.
Scientists estimate that the human body contains more than 10,000 measurable biomarkers. These include genes, hormones, proteins, metabolites, inflammatory cytokines, lipids, enzymes, and countless molecular signals that shift from moment to moment. But most of these biomarkers are poorly researched and not meaningfully tied to disease risk, healthspan, or longevity. They may look impressive on a lab report, but they do not tell you anything actionable about how well you are aging.