Meaning Functional Medicine by jacqueline lopez blog

Meaning Functional Medicine. What exactly does it mean? I have tried googling it but google takes the symbol out of the.

About Functional Medicine
from upstreammd.com

$\equiv$ and similar variations are a generic symbols used to notate an equivalence relation. Upvoting indicates when questions and answers.

About Functional Medicine

Meaning Functional Medicine $=$ is the specific equivalence relation. What exactly does it mean? In case they are the same why are there 2 different symbols for the same thing?