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Oura vs Whoop vs Apple Watch: The Quantified Scientist on What the Accuracy Data Shows
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The Complete Guide to Testosterone Optimization — Part 3: Stress, Psychology, and Purpose
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Dr. David Barzilai: A Harvard Medical School Lecturer on the Five Health Habits Worth Your Time
18 min read
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Magazine
-
Oura vs Whoop vs Apple Watch: The Quantified Scientist on What the Accuracy Data Shows
15 min read
-
The Complete Guide to Testosterone Optimization — Part 3: Stress, Psychology, and Purpose
9 min read
-
Dr. David Barzilai: A Harvard Medical School Lecturer on the Five Health Habits Worth Your Time
18 min read
Weekly picks on longevity, brands, and health science. No spam—unsubscribe anytime.
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Tools
- →The 30s Longevity Guide for Women
- →Postpartum Recovery Guide
- →Perimenopause Longevity Guide
- →Dopamine Reset Guide
- →Pregnancy Longevity Guide
- →Peptide Guide
- →Home Detox Guide
- →Slow Aging Guide
- →Pro Supplement Guide
- →Safe Supplement Guide
- →Bio Age Calculator
- →Blood Testing Guide
- →Deep Sleep Guide
- →Pro Longevity Dashboard
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Zero Longevity
Zero, developed by Zero Longevity Science and headquartered in San Francisco, is a top-rated intermittent fasting app used by over one million people worldwide. It combines user-friendly timers with science-backed education, habit tracking, and integration with health data to create a sustainable fasting lifestyle aimed at improved metabolic health, weight management, and increased longevity.
At its core, the app simplifies fasting by offering customizable fasting windows—ranging from circadian rhythm fasts (13 hrs) to advanced protocols like 16:8, 18:6, OMAD, and multi-day fasts. Zero supports these routines with reminders, progress stats, and streak tracking, all without calorie counting or rigid diets. Users can log moods and sync data from apps like Google Fit and Apple Health for a comprehensive wellness view.
Zero also delivers a rich educational ecosystem. The app hosts weekly webinars (Zero Live) featuring experts like Dr. Naomi Parrella and PhD Rich LaFountain, covering topics such as breaking weight-loss plateaus, insulin regulation, exercise in aging, and addressing fast-drinking scenarios like caffeine or low-calorie additives. The integrated blog delivers in-depth articles like “Reframing Resolutions” and metabolic insights, grounded in scientific rigor.
Public health accolades include features in Women’s Health, Men’s Health, Fortune, and WIRED. On iOS and Android, Zero enjoys ratings near 4.8 with more than half a million reviews. Users consistently report weight loss, improved energy, better mood, enhanced focus, and markers of metabolic health, including lowered blood glucose and reduced reliance on medications.
Geared toward biohackers, athletes, and longevity seekers, Zero transforms intermittent fasting from a diet trend into a sustainable lifestyle, backed by data, community support, and evidence-based tools. Its mission—“Live better, longer”—speaks directly to longevity-oriented users aiming for optimized healthspan.
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Founders
Mike Maser
Founded
2018
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