More years.More choices.

Hillary Lin smiling at a podcast microphone, an approved AI-generated editorial portrait

I’m a physician and founder exploring how medicine and AI can expand what’s possible—and helping you decide what to do with it.

Watch The Longevity ShowRead The Longevity Letter

Out in the world.

Hillary speaking on the MVMNT stage
On stage at MVMNT
Hillary and colleagues at the CareCore booth during Livelong
CareCore at Livelong
Hillary laughing with other women at Livelong
Between sessions at Livelong

Watch, read, explore.

The Longevity
Letter

The research I’m thinking about, and what it could mean for everyday life.

Read the Letter

Resource library

Articles, practical guides, and past episodes. Explore a question at your own pace.

Medical care

Ongoing care with Dr. Lin, built around your health and goals.

Explore the practice

Healthspace

Care, programs, and products, with medical judgment behind the choices.

Explore Healthspace

From the desk.

Peptides: What I’m Not Seeing in My Patients | Dr. Mayoni episode thumbnail

The Longevity Show · 15:10

Peptides: What I’m Not Seeing in My Patients | Dr. Mayoni

I’ve heard plenty of big promises about peptides. What I’m seeing in practice is a lot less dramatic, with an important exception: GLP-1s. In this conversa

Watch the episode
Psyllium gel, oats, wheat bran, and chicory root arranged on a warm stone surface in natural light.

Featured guide · Aug 2026

Fiber, Constipation, and Bloating: What Helps, What Backfires, and How Much You Need

Fiber is not one substance, and more is not always better. Match the type and dose to the job your gut actually needs.

Open guide

The Longevity Letter · September 28, 2026

What happens when you're worn down

After travel and three conferences, I look at sleep, stress, and the first steps toward recovery.

Read essay

Longevity is
about choice.

Medicine and AI are changing the lives we can choose. I explore what those advances make possible, who can access them, and how to use them well.

Expert commentary featured in

PreventionForbesEatingWell
More media & press

For people building care.

For clinicians and builders: tools, clinical support, and notes on turning health products into real care.

Explore CareCoreRead or join The CareCore Stack

For personal health, join The Longevity Letter. Free, with The Supplement Stack. Unsubscribe anytime.