In response to a viewer comment, I talk about the 5 stages of chronic kidney disease (CKD) and why many doctors don't talk about it until stage 3.

0:00 Introduction
1:50 CKD Stage 1 defined
2:27 CKD Stage 2 defined
2:55 What does stage tell us?
3:13 CKD Stage 3 defined
3:40 CKD Stage 4 & 5 defined
3:50 What exactly does "chronic" mean?
4:21 When to see a nephrologist
6:04 My latest kidney test results