Fit For Science

Rob and Stephan dissect Google’s groundbreaking "Sensor FM" paper, exploring how a foundation model, trained on trillions of wearable data minutes, could revolutionize preventive healthcare and disease prediction. 📝Summary In this episode, biological data scientists Rob and Stephan break down Google's latest research introducing Sensor FM, a massive foundation model trained on over one trillion m...

In this episode, biological data scientists Rob and Stephan examine Oura's cardiovascular age validation study, discuss WHOOP's new medical concierge service, critically analyze the overhyped commercialization of the longevity bubble, and explore the citizen science potential of the Google Fitbit Air. 📝Summary In this episode, biological data scientists Rob and Stephan break down recent s...

Stephan and Rob explore the ambitious claims made by AI industry leaders about rapid scientific advancement due to AI. They provide an introduction to the "AI for Science" field and analyze the fundamental physical limitations that govern the acceleration of biomedical discovery through AI. 📝Summary Biological data scientists Stephan and Rob evaluate the grand claims made by major tech...

Rob and Stephan break down the three critical dimensions of wearables—hardware, algorithms, and UI/UX—to explain what truly drives accurate health and sports tracking. 📝Summary Biological data scientists Rob and Stephan explore the three foundational pillars that determine the quality of health and sports tracking wearables: hardware, algorithms, and Apps (UI/UX). They begin by evaluating the mat...

In this episode of Fit For Science, Rob and Stephan explore the complex relationship between various exercise types, intensity levels, and mortality, while also recounting Rob's intense DIY smartwatch-testing marathon. 📝Summary In this episode, Rob and Stephan dive into the nuanced impacts of physical activity on mortality and disease risk, emphasizing that while exercise is universally benef...

In this episode, Rob and Stephan explore the intersection of lifespan research, the exposome, and daily health tracking, tackling everything from aging fish and AI stool analysis to passive exercise tracking and body composition scales. 📝Summary In episode 15 of Fit For Science, Rob and Stephan explore the intersection of lifespan research, the exposome, and daily health tracking, tackling everyt...

In this episode of Fit for Science, Rob and Stephan use the recent Silicon Valley "peptide craze" as a case study to explore how to critically evaluate health claims and navigate the scientific hierarchy of evidence. 📝Summary In episode 14 of the Fit for Science podcast, biological data scientists Rob and Stephan delve into the growing trend of Silicon Valley tech elites self-injecting...

Rob and Stephan explore the new reality of $100 whole genome sequencing, the actionable value of polygenic risk scores, and the ethical future of personalized genomic medicine. 📝Summary Biological data scientists Rob and Stephan discuss the implications of the newly achieved $100 whole genome sequencing milestone, comparing unbiased whole genome reads to popular genotyping consumer products like...

Rob and Stephan unpack their personal supplement protocols, discussing everything from creatine and omega-3s to the reasons they both ditched popular green powders like AG1. 📝Summary In this episode, biological data scientists Rob and Stephan explore the rationale, logistics, and science behind their personal supplementation protocols, emphasizing that supplements can never replace foundational h...

Rob and Stephan dissect the "Nature vs. Nurture" debate in longevity, debunk Blue Zone myths, and evaluate the potential of anti-aging interventions like calorie restriction and Rapamycin. 📝Summary In this episode, biological data scientists Rob and Stephan explore the realistic limits of human lifespan, starting with the outlier case of supercentenarian Jeanne Calment. They tackle the...

Rob and Stephan discuss why sleep stage trends matter more than absolute accuracy, review Oura's latest metrics, and define seven essential cumulative biomarkers for long-term health. 📝Summary In this episode, biological data scientists Rob and Stephan challenge the standard approach to sleep tracking validation, proposing that detecting deviations from an individual's baseline is often m...

In this episode, Rob and Stephan explore the psychological risks of self-quantification, the science of aerobic capacity, and the physiological nuances of lactate thresholds. 📝Summary Biological data scientists Rob and Stephan discuss the "dark side" of the quantified self, specifically focusing on orthosomnia, a condition where sleep tracking leads to increased anxiety and worsened sleep quality...

Rob and Stephan evaluate current AI features in wearables, break down a revolutionary paper predicting diseases from a single night of sleep, and discuss the future of medical integration into wearables. 📝Summary In this episode, biological data scientists Rob and Stephan critically assess the current use of AI in the wearable market, ranging from the practical limitations of Oura and Whoop coach...

Rob and Stephan categorize the modern wearable landscape, explain the shift from epigenetic to proteomic aging clocks, and debate the ethical implications of the upcoming 2026 Enhanced Games. 📝Summary In this episode, biological data scientists Rob and Stephan provide a systematic framework for navigating the wearable market by defining four distinct device categories: Sleep, Sports, Smartwatches...

Rob and Stephan analyze their 2025 health data, discuss the validity of "biological age" metrics, and set systems-based goals for the coming year. 📝Summary In this episode, biological data scientists Rob and Stephan explore how to use wearable data to review the past year and plan for a better future. They critique the "year in review" features of popular apps, debating whethe...

Data scientists Rob and Stephan discuss Apple's latest sleep algorithm improvements, the evolving landscape of wearable subscriptions, and three reasons for personal (health) tracking. 📝Summary In this episode, the hosts examine the rapid iteration cycles of health technology, starting with Apple’s recent algorithmic improvements to sleep stage detection. They explore the "subscriptionification"...

Rob and Stephan discuss the efficacy of blood pressure wearables, morning activation protocols like light therapy, and the use of nicotine as a cognitive stimulant. 📝Summary In this episode, biological data scientists Rob and Stephan examine the evolution of wearable technology, focusing on Garmin’s Firstbeat sleep staging and the current limitations of wrist-based blood pressure monitoring. They...

Rob and Stephan dive into the "deep sleep problem" of the Apple Watch, share their personal motivations for long-term self-quantification, and provide a science-heavy look at why creatine is one of the most underappreciated supplements in medicine. 📝Summary In this episode, Rob addresses the controversy surrounding Apple Watch sleep staging based on a recent study comparing wearables to...

Biological data scientists Rob and Stephan discuss what to track and why, the psychological value of blue-light blocking glasses, and the multifaceted longevity benefits of "plogging". 📝Summary In this episode, biological data scientists Rob and Stephan dive deep into the philosophy of self-quantification. They explore why tracking the "unobservable" state of sleep provides th...

In this inaugural episode, biological data scientists Rob and Stephan dive into the world of self-quantification. They discuss their personal setups, the reliability of popular smart rings, and share exclusive preliminary results from recent independent validation studies on sleep and fitness tracking. 🔬 Summary Two scientists, Rob (chemist turned bioinformatician) and Stephan (mathematician turn...