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Ali Zaidi

A physician interested in proactive, data-driven optimization of health. Why wait until we have early diabetes, heart disease, or dementia? The time to take action is now.

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Substack
PricingOnly free issuesPublishesWeekly
Issues26Foundeda year agoLast Issuea month ago
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Latest Issues

Hyperbaric Oxygen and the Promise of Reversing Aging

I bumped into a friend of mine recently who asked me about hyperbaric oxygen therapy for health. If you spend any time in the longevity corner of the internet, you have probably seen the claim: sit in a pressurized chamber, breathe pure oxy...

a month ago
2

Should you be on testosterone replacement therapy?


Something unusual is happening to men’s testosterone levels. A landmark study published in the Journal of Clinical Endocrinology & Metabolism tracked men in the Boston area from 1987 to 2004 and found something that should give us pa...

2 months ago
15
3

Let's talk

Hi Subscribers,

Whether you're curious about the latest research, optimizing your daily habits, or understanding the biomarkers that matter most, this is your chance to get direct answers from a physician.

I’m having a Zoom call on Saturd...

2 months ago
1

The Vagus Nerve and HRV: What the Science Actually Shows

The vagus nerve is having a moment.

It’s being positioned as a master switch for stress, inflammation, and longevity. But how much of that is physiology and how much is hype?

Thanks for reading! Subscribe for free to receive new posts and...

3 months ago
10

Why I Care More About When You Wake Up Than When You Go to Bed

Sleep is an amazing process. We literally grow during sleep. Growth hormone secretion peaks, promoting muscle repair and bone growth. Most of our prolactin hormone, which plays a crucial role in reproductive health and immune system regulat...

4 months ago
3
1

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  • Ali Zaidi

    Stanford, UCSF trained MD | Longevity Insights for Healthy Adults Who Want a Plan

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