Span Blog: The science of longevity fitness

Why the holidays throw us off track and why they don't have to

Dr. Adam Bataineh, MD

How to maximise the benefits and minimise the downsides of caffeine consumption

Peter Tierney, PhD

6 ways to exercise more consistently in the new year

Dr. Adam Bataineh, MD

Deep dive into glucose variability for non-diabetics

Dr. Adam Bataineh, MD

You’re probably wrong about how much sleep you need

Dr. Adam Bataineh, MD

Which health wearable to treat yourself with this holiday season

Dr. Adam Bataineh, MD

Location matters with wearables, but why?

Ryan Kraudel

Oura Ring Generation 3 review: a biowearables doctor breaks it down

Dr. Adam Bataineh, MD

The ultimate guide to REM sleep

Dr. Adam Bataineh, MD

How your sleep wake cycle influences your performance

Dr. Adam Bataineh, MD

Drinking too much water might be impacting your sleep

Dr. Adam Bataineh, MD

The ultimate guide to resetting your sleep-wake cycle

Dr. Adam Bataineh, MD

The most important marker of sleep quality that no one is talking about

Dr. Adam Bataineh, MD

The ultimate guide to good posture

Dr. Adam Bataineh, MD

Whoop 4.0 vs Whoop 3.0: should you upgrade? A biowearables doctor breaks it down

Dr. Adam Bataineh, MD

How competitive skater Jeanette Cajide reversed aging and improved performance

Jeanette Cajide

HRV: the ultimate marker for health and longevity

Dr. Adam Bataineh, MD

The 4 most common mistakes people make when interpreting HRV

Dr. Adam Bataineh, MD

How accurate are my sleep metrics? Here’s the ultimate guide to sleep monitoring with wearables

Dr. Adam Bataineh, MD

What’s the best way to improve VO2 max

Dr. Adam Bataineh, MD

Why measuring your total protein intake can be misleading

Ban Khadiri, PharmD

Resting heart rate and your health

Marah Shaikh Yousef, MD

Your gut microbiome affects your mental fitness

Rachel Lett, RNutr

How breathing exercises can improve heart rate variability

Marah Shaikh Yousef, MD

Has your HRV changed after receiving the COVID-19 vaccine? This might be why

Dr. Adam Bataineh, MD

The ultimate guide to melatonin and sleep

Ban Khadiri, PharmD

Why a surprisingly small amount of alcohol might affect heart rate variability (HRV)

Dr. Adam Bataineh, MD

How to boost your mitochondrial health

Dr. Adam Bataineh, MD

Will Tom Brady's diet make me a superhuman?

Rachel Lett, RNutr

Navneeta, busy mum who restored her health & longevity

Rachel Lett, RNutr

Avtar lost 3 stone & no longer feels hungry

Rachel Lett, RNutr

Guide to intermittent fasting

Rachel Lett, RNutr

What is PCOS?

Rachel Lett, RNutr

Guide to Blood Glucose Measurements

Dr. Adam Bataineh, MD

7 Types of Intermittent Fasting, Explained

Rachel Lett, RNutr