Molecular Fitness: Where the Blood Test Lines Up

This post compares VO Health's blood-based Molecular Fitness Test to various VO₂ max estimates and DEXA body composition data. It highlights that while the Molecular VO₂ Max of 54.2 mL/kg/min aligns with wearable estimates, insights from both tests indicate underdeveloped muscular support, emphasizing the importance of strength training for overall health and athletic performance.

VO₂ Max: Beyond the Laboratory

The post compares various methods for estimating VO₂ max in an amateur endurance athlete, including wearables like Apple Watch and WHOOP, blood tests, and functional cycling tests. Each method measures different aspects of cardiovascular fitness, with a focus on their utility for tracking recovery and improving training strategies.

The Google Personal Health Agent: A Blueprint for the Future of Personalized, Preventative Healthcare

Google’s 2025 research paper “The Anatomy of a Personal Health Agent” describes a prototype multi-agent AI framework designed to turn raw health data into personalized, evidence-based guidance. In this post we will review the paper and the urgent need for this technology and the new type of AI Service that it represents. The Urgent Need … Continue reading The Google Personal Health Agent: A Blueprint for the Future of Personalized, Preventative Healthcare →

AI Guided AFIB Ablation – can it become a reality?

I was just at the Heart Rhythm Society meeting in New Orleans, LA where there was a lot of very interesting health technology, digital health and artificial intelligence (AI) tools being discussed and on display. One such technology that I think would be of interest to readers of this site was Volta Medical. Volta Medical … Continue reading AI Guided AFIB Ablation – can it become a reality? →

SMART WARS: Atrial fibrillation vs consumer technology

The global prevalence of atrial fibrillation (AF) is over 60 million and increases steadily with age. This estimate is widely expected to increase and almost double by 2050, reaching over 100 million. AF is a major risk factor for stroke, accounting for up to 15-20% of all cases, and is a substantial economic burden on … Continue reading SMART WARS: Atrial fibrillation vs consumer technology →