Apple Watch hypertension notifications are now live. What to do if you get one.

Apple Watch can detect signs of high blood pressure, but a diagnosis and treatment require extra steps

Oct 17, 2025 • Brandon Ballinger

ApoB is not usually covered by Medicare or insurance, but can be cheap.

Oct 16, 2025 • Brandon Ballinger
Inflammation now predicts heart disease better than cholesterol

Sep 29, 2025 • Brandon Ballinger
Simulating Reductions in Lifetime Heart Attack Risk

Sep 17, 2025 • Brandon Ballinger
How Apple Watch's new blood pressure monitor works

Sep 13, 2025 • Brandon Ballinger
Why choose Empirical for 100+ biomarkers

Aug 20, 2025 • Brandon Ballinger
ApoB vs LDL Cholesterol for heart attack risk

Jul 27, 2025 • Brandon Ballinger
How to Get a Sleep Score on Your Apple Watch

Jul 22, 2025 • Brandon Ballinger
The effect of noise on sleep

Jun 26, 2025 • Brandon Ballinger
Apob vs Lp(a) tests for heart health

Jun 22, 2025 • Brandon Ballinger
Biomarker-driven nutrition: how to go beyond generic diet advice

Jun 11, 2025 • Wyatt Chang and Brandon Ballinger
How to lower your ApoB naturally and with medication

May 28, 2025 • Brandon Ballinger
How to Lower Your Cholesterol in 7 Days

May 23, 2025 • Raquel Rodriguez Martinez, MD, MPP
Function Health alternative in NY & NJ

May 11, 2025 • Brandon Ballinger
Function Health Alternatives

May 10, 2025 • Brandon Ballinger
Don't die of a heart attack

May 8, 2025 • Brandon Ballinger
An Lp(a) blood test can show 114% higher heart attack risk. Here's how.

May 1, 2025 • Brandon Ballinger
Apple Watch's calorie counts can be accurate within 18-40%—if you follow these steps.

Apr 19, 2025 • Brandon Ballinger
Each 10 mg/dL drop in ApoB cuts heart disease risk by 9%

Apr 16, 2025 • Harish Kilaru
Apple Watch can't predict a heart attack—these blood tests can

Apr 12, 2025 • Brandon Ballinger
How to calculate your heart attack risk with <$200 of blood tests

Apr 3, 2025 • Brandon Ballinger
Am I Healthy? How to design a comprehensive health score

Mar 26, 2025 • Raquel Rodriguez Martinez, MD, MPP
Apple Watch's heart rate monitor is accurate to 5bpm 89-98% of the time

Mar 25, 2025 • Brandon Ballinger
Empirical Health Radar: One number, infinite insights.

Mar 12, 2025 • Raquel Rodriguez Martinez, MD, MPP and Harish Kilaru
Apple Watch's heart rate monitor tracks 10 metrics. What they are and why they matter.

Mar 4, 2025 • Brandon Ballinger
Empirical Health launches today on Android, WearOS, and Fitbit

Feb 20, 2025 • Wyatt Chang and Brandon Ballinger
Which health metrics are available on Samsung, Pixel, Apple Watch, and Fitbit?

Feb 18, 2025 • Brandon Ballinger
How to Do a "Poor Man's Tilt Table Test" on Your Apple Watch

Dec 11, 2024 • James Russo
How Apple Watch uses deep learning to estimate VO2Max

Nov 20, 2024 • Brandon Ballinger
Breathing Disturbances on Apple Watch: What should I do if I get a “possible sleep apnea” alert from my Apple Watch?

Oct 23, 2024 • Raquel Rodriguez Martinez, MD, MPP
How Apple Watch estimates VO2Max to 1.2 ml/kg/min without a treadmill test

Oct 22, 2024 • Brandon Ballinger
The average Apple Watch user gets 49 minutes of deep sleep per night

Oct 8, 2024 • Brandon Ballinger
How to track your mental health with PHQ-9 and GAD-7

Sep 24, 2024 • James Russo and Raquel Rodriguez Martinez, MD, MPP
How Apple Watch detects 89% of severe sleep apnea

Sep 9, 2024 • Brandon Ballinger
Summarize all your Apple Watch vitals into a health report

Sep 6, 2024 • Wyatt Chang
Empirical 2.0: your AI healthcare assistant

Jul 2, 2024 • Brandon Ballinger and Raquel Rodriguez Martinez, MD, MPP
Cardiovascular metrics predict sleep apnea risk

Jun 7, 2024 • Brandon Ballinger
How to correlate your Apple Watch health metrics with symptoms

May 23, 2024 • Brandon Ballinger
How to do the CHOP protocol for POTS on your Apple Watch

Dec 21, 2023 • Brandon Ballinger
Empirical Health is launching to 47 million midwesterners

Dec 12, 2023 • Brandon Ballinger
Can my Apple Watch tell me if I have afib?

Dec 5, 2023 • Raquel Rodriguez Martinez, MD, MPP
The CHOP protocol and the science behind it

Oct 26, 2023 • Raquel Rodriguez Martinez, MD, MPP
The best Apple Watch for heart monitoring (2025)

Oct 19, 2023 • Brandon Ballinger
The connection between long COVID and POTS

Oct 19, 2023 • Raquel Rodriguez Martinez, MD, MPP
What are some of the most common POTS triggers?

Oct 5, 2023 • Raquel Rodriguez Martinez, MD, MPP
Do I need a tilt table test to confirm a POTS diagnosis?

Sep 27, 2023 • Raquel Rodriguez Martinez, MD, MPP
Is the Apple Watch's oxygen sensor accurate?

Sep 13, 2023 • Brandon Ballinger
Sleep apnea and the link to cardiovascular health: what you need to know

Aug 30, 2023 • Raquel Rodriguez Martinez, MD, MPP
How far is 10,000 steps?

Aug 23, 2023 • Raquel Rodriguez Martinez, MD, MPP
My Apple Watch says I have low blood oxygen while sleeping.

Aug 15, 2023 • Raquel Rodriguez Martinez, MD, MPP
What are the steps to get a POTS diagnosis?

Aug 8, 2023 • Raquel Rodriguez Martinez, MD, MPP
Why is it so hard to find a primary care doctor near me?

Aug 2, 2023 • Raquel Rodriguez Martinez, MD, MPP
Empirical Health: proactive primary care that scales

Jul 18, 2023 • Brandon Ballinger
What is HRV and what does it have to do with health?

Jun 14, 2023 • Raquel Rodriguez Martinez, MD, MPP
How to show sleep stages on your Apple Watch face

Feb 24, 2023 • Brandon Ballinger
Want better sleep quality? The top 3 factors, according to Apple Watch data

Jan 9, 2023 • Brandon Ballinger
Is my data normal? Introducing Empirical Checkups

Nov 28, 2022 • Brandon Ballinger
Empirical Sleep for watchOS 9

Sep 16, 2022 • Brandon Ballinger
Apple Watch's new temperature sensor

Sep 14, 2022 • Brandon Ballinger
Empirical Sleep for Apple Watch

Jul 15, 2022 • Brandon Ballinger