The biomarkers to watch when you're on a GLP-1
GLP-1s are filed under weight loss and diabetes, but they move a surprisingly broad panel of blood markers, including the ones that predict heart disease.
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Does dietary cholesterol raise blood cholesterol?
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Eggs are now officially healthy
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Blood pressure is driven by sodium and potassium
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Blood cholesterol is driven by saturated fat and fiber
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Medicare covers GLP-1s for $50/month starting in July
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How to track saturated fat and fiber with an app
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Objective metrics that change the most as we age
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Retatrutide's phase 3 results: 30% weight loss in 2 years
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99% of heart attacks are preceeded by these risk factors
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Vitamin D2 vs D3: why the form on the bottle matters
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Vitamin D acts more like a hormone than a vitamin
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How to improve your VO2Max: an evidence-based guide
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Sleep polysomnography predicts 130 health conditions, including cardiovascular disease
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The effect of sleep on blood biomarkers
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Every statin ranked by effect size
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The Fick equation and your heart
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A Cal AI alternative for iPhone and Android
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Medications can now lower cholesterol (ApoB) by 80%
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Does Medicare cover Lp(a) testing?
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Four Lp(a)-lowering drugs in trials reduce levels by up to 94%.
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Blood pressure may swing 20+ mmHg in a single day
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How different wearables measure HRV: SDNN vs RMSSD
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Every formula to measure HRV
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Lp(a) testing is up 22x in the last decade. It's now recommended for everyone.
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How to find potassium-rich foods for blood pressure
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Partnering with Beacon Health to help Medicare patients with heart disease
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What cardiovascular medications does Medicare cover?
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Normal cholesterol levels (2026 guidelines)
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2026 cholesterol guidelines recommend earlier treatment
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Autopilots vs. copilots in vertical AI
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Blood tests for heart health
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Three main saturated fats raise your cholesterol
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Why more young adults are dying of heart attacks
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Empirical Health for Web: Now Available on Desktop
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The government wants AI doctors
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Bryan Johnson's Immortals program costs $1m. How to DIY 90% of the value for <1% of the price.
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Do rich people live longer?
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Men's heart risk rises by age 35, 7 years earlier than women
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Vitamin D cuts heart attack risk by 52%. Why?
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Direct-to-consumer advanced lipid panel with ApoB, Lp(a), and hs-CRP
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AI beyond LLMs: a wearable foundation model based on JEPA.
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Instead of Giving Stuff, Give Years
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The best biomarkers for heart health
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How fiber reduces overall mortality by 23%
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Peter Attia on 60 Minutes: Medicine 3.0 and the marginal decade
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The four horsemen from Peter Attia's Outlive
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How to use AI to calculate nutrition facts
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Apple Watch hypertension alerts explained
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ApoB is not usually covered by Medicare or insurance, but can be cheap.
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The biomarkers recommended by Peter Attia in Outlive
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Inflammation now predicts heart disease better than LDL
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Simulating Reductions in Lifetime Heart Attack Risk
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How Apple Watch's new blood pressure monitor works
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Why choose Empirical for 100+ biomarkers
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Why ApoB is more accurate than LDL cholesterol
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How to Get a Sleep Score on Your Apple Watch
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The effect of noise on sleep
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Apob vs Lp(a) blood tests for heart health
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Data-driven nutrition: how to go beyond generic diet advice
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How to lower your ApoB naturally and with medication
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How to Lower Your Cholesterol in 7 Days
• Raquel Rodriguez Martinez, MD, MPP
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Function Health alternative in NY & NJ
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Function Health Alternatives
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Don't die of heart disease
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Lp(a): the strongest hereditary risk factor for heart disease
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Apple Watch's calorie counts can be accurate within 18-40%—if you follow these steps.
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Cutting ApoB by 10 mg/dL drops heart disease risk by 9%
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Apple Watch can't predict a heart attack—these blood tests can
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How to calculate your heart attack risk with <$200 of blood tests
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Am I Healthy? How to design a comprehensive health score
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Apple Watch's heart rate monitor is accurate to 5bpm 89-98% of the time
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Apple Watch uses three different algorithms for heart rate
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Empirical Health Radar: One number, infinite insights.
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Your guide to Apple Watch's heart rate monitor
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Empirical Health launches today on Android, WearOS, and Fitbit
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Which health metrics are available on Samsung, Pixel, Apple Watch, and Fitbit?
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How to Do a "Poor Man's Tilt Table Test" on Your Apple Watch
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Using physiological ODEs and DNNs to estimate VO2Max on Apple Watch
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Breathing Disturbances on Apple Watch: What should I do if I get a “possible sleep apnea” alert from my Apple Watch?
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How Apple Watch estimates VO2Max to 1.2 ml/kg/min without a treadmill test
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The average Apple Watch user gets 49 minutes of deep sleep per night
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How to track your mental health with PHQ-9 and GAD-7
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How Apple Watch detects 89% of severe sleep apnea
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Summarize all your Apple Watch vitals into a health report
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Empirical 2.0: your AI healthcare assistant
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Cardiovascular metrics predict sleep apnea risk
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How to correlate your Apple Watch health metrics with symptoms
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How to do the CHOP protocol for POTS on your Apple Watch
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Empirical Health is launching to 47 million midwesterners
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Can my Apple Watch tell me if I have afib?
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The CHOP protocol and the science behind it
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The best Apple Watch for heart monitoring (2026)
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The connection between long COVID and POTS
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What are some of the most common POTS triggers?
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Do I need a tilt table test to confirm a POTS diagnosis?
• Raquel Rodriguez Martinez, MD, MPP
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Is the Apple Watch's oxygen sensor accurate?
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Sleep apnea and the link to cardiovascular health: what you need to know
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How far is 10,000 steps?
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My Apple Watch says I have low blood oxygen while sleeping.
• Raquel Rodriguez Martinez, MD, MPP
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What are the steps to get a POTS diagnosis?
• Raquel Rodriguez Martinez, MD, MPP
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Why is it so hard to find a primary care doctor near me?
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Empirical Health: proactive primary care that scales
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What is HRV and what does it have to do with health?
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How to show sleep stages on your Apple Watch face
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Want better sleep quality? The top 3 factors, according to Apple Watch data
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Is my data normal? Introducing Empirical Checkups
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Empirical Sleep for watchOS 9
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Apple Watch's new temperature sensor
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Empirical Sleep for Apple Watch
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