I have 6 stents in my heart and two total knee replacements with metal. How would a LFMS affect me?

If the metal replacements are safe for MRI, then they are OK with LFMS. Some metals are non-magnetic, in which case they will not be affected by the magnetic fields from Magic.

For more details, please check the link:
https://www.facebook.com/MiraMateLFMS/posts/339383693492380