Journal
Notes on aging well.
Plain-language articles from our clinical team on the science behind longevity, prevention, and looking like yourself.
LongevityWhat is biological age, and can it change?
Your birthday tells you how long you have been alive. Biological age estimates how well your body is functioning. Here is what it measures and why the trend matters more than the number.
InsuranceDoes insurance cover preventive screening?
A surprising amount of preventive care is billable to insurance. Here is how coverage generally works, and where a membership fits in.
GeneticsWhat a DNA panel can and cannot tell you
Genetic testing can explain why a diet, supplement, or medication works for one person and not another. It also has limits worth knowing before you test.