How Apple Watch's new blood pressure monitor works

The next Apple Watch and Samsung wearables measures blood pressure using pulse wave analysis and artificial intelligence. Here's how it would work and what it means for health.

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