August 15, 2024 | Issue #115

Hey there... Have you tried the 4x4 protocol?

In this week's newsletter:😮‍💨 Maxing your VO2💉 Expensive injections

HIIT for VO2 Max

It's pretty simple: Your VO2 max is a key predictor of how long you'll live. (That's according to this study, of course.)It makes sense... the better your body operates, the healthier you are, and so it's likely that you'll live longer.VO2 max is the maximum (max) rate (V) of oxygen (O) your body is able to use during exercise.Although there are many exercises out there, HIIT is one of the best to help with your VO2 max.And, when it comes to longevity, HIIT has many other benefits too. Check them all out here (including the 4x4 protocol). 

Have a great weekend,CodyFounder, Spannr

• What’s your VO2 max? The answer could transform your health. (National Geographic)

• Spermidine is essential for fasting-mediated autophagy and longevity (Nature)

• My friend is 45 but looks 25 thanks to her go-to Chinese drink (The Sun)

• Optimism vs. Reality in Longevity Science: Analyzing Zoltan Istvan’s Senescence Inference (Merion West)

• Antiaging enthusiasts are getting $16,500 injections to make their knees young again (BI)

• The Oldest Olympians Might Hold the Key to Slowing Aging (Bloomberg)

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