The Longevity Letter
More years. More choices.
My physician's view of the discoveries changing health, the tools worth considering, and the decisions that make them useful in your life.
Stanford-trained, board-certified internist · CareCore co-founder
A direct note from Hillary
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Begin with The Supplement Stack
Which supplements I would consider, which I would skip, and what to check about dose, form, and safety.
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Browse the full newsletter archiveWhat happens when you're worn down
After travel and three conferences, I look at sleep, stress, and the first steps toward recovery.
Read the letterOzempic made old mice live longer. What about us?
A look at GLP-1 research, from mouse lifespan to human trials, and why the distinction matters for treatment decisions.
Read the letterTwo supplements I like. One I don't.
How research and personal experience changed my views on vitamin D, creatine, and NAD supplements.
Read the letterPeptides won an FDA committee vote. I think that was the right call.
What an advisory vote could mean for regulated access, and why it did not approve a drug or change what pharmacies can dispense.
Read the letterFrom the archive
Earlier letters
Selected earlier issues are also available here on the site.
