Hillary LinMD

The Longevity Letter

Which heart tests help prevent a heart attack?

A physician-made guide to the tests that can uncover hidden risk—and when each is worth asking about.

Get the free guide

You do not need every heart test.You need the one that answers the next decision.

Choose what to ask about first

Compare ApoB, Lp(a), CAC, CCTA, and stress testing without turning them into a shopping list.

Understand a normal result

See what a reassuring result can tell you and which kind of risk it may still miss.

Know what should change

Bring five useful questions and a result worksheet to your next clinician visit.

Hillary Lin, MD seated onstage with a microphone

Heart disease has never felt abstract to me. My grandfather had a stroke. My father needed a heart transplant. Then my own ApoB came back much higher than I expected.

Hillary Lin, MD

I made this guide to help you ask what each result should change.

Take the next step toward protecting your heart.