Normal cholesterol levels (2026 guidelines)
What are normal cholesterol levels for men and women, and what the new AHA/ACC guidelines mean for your targets.
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New 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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Heart attack deaths are rising in young adults. Here's why.
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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 develop heart disease 7 years before women. Why?
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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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Cardiogram app alternatives
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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 and heart health
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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%
• Harish Kilaru
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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
• Raquel Rodriguez Martinez, MD, MPP
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Apple Watch's heart rate monitor is accurate to 5bpm 89-98% of the time
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Empirical Health Radar: One number, infinite insights.
• Raquel Rodriguez Martinez, MD, MPP and Harish Kilaru
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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
• James Russo
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How Apple Watch uses deep learning to estimate VO2Max
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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?
• Raquel Rodriguez Martinez, MD, MPP
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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
• James Russo and Raquel Rodriguez Martinez, MD, MPP
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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
• Brandon Ballinger and Raquel Rodriguez Martinez, MD, MPP
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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?
• Raquel Rodriguez Martinez, MD, MPP
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The CHOP protocol and the science behind it
• Raquel Rodriguez Martinez, MD, MPP
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The best Apple Watch for heart monitoring (2025)
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The connection between long COVID and POTS
• Raquel Rodriguez Martinez, MD, MPP
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What are some of the most common POTS triggers?
• Raquel Rodriguez Martinez, MD, MPP
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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
• Raquel Rodriguez Martinez, MD, MPP
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How far is 10,000 steps?
• Raquel Rodriguez Martinez, MD, MPP
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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?
• Raquel Rodriguez Martinez, MD, MPP
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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?
• Raquel Rodriguez Martinez, MD, MPP
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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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