Can you feel that data, Data?

http://www.reddit.com/r/IAmA/comments/tl7pn/iama_24yo_electrical_engineer_with_magnets/
I was recently commenting on a post in /r/WTF, and made mention of my neodymium magnetic implants. The comment garnered a substantial amount of attention, and I had a bunch of people telling me to do an AMA on the subject. Well, OP delivers

Wonder how hed fare against a EMP?
 
Maybe I'm not geek enough, but what would be the practical/medical purpose and/or reason for doing this?

The article only mentioned "science" as the reason for the OP for doing it.

Any insight?