Lean from the sense of performance vs health & body.
However the methodology can help in any space - health and business.
There are vast amounts of information on this topic. Here are some points from my experience.
Know the 8 wastes
Respect and trust
Follow a structured problem solving approach
Look for root causes
Understand it takes an investment to improve
Not all improvements saves time or money
These are just a few, nothing earth shattering, but feel free to contact me to discuss more.
B Safe, B Aware, B Well, B Kind