43. Biological Age: GLP-1s & How to Know Which Numbers to Trust

Your ring gives you one biological age, your watch gives you another, and the lab panel you ordered last spring lands somewhere else. It's hard to know which number to believe, or whether any of it is worth the money you're spending on it. In this episode, Dr. Su talks with Ryan Smith, founder of TruDiagnostic, about how to sort signal from noise. Ryan explains that the most important thing to check in a biological age test is how well it predicts real health outcomes later in life. A clock ...