Exactly as skieurope said, being a member of an NHS is not something that colleges are impressed with. I didn’t put in the fact that I was a part of NHS because the spaces were limited (to 10), and there were lot more important facts to say than that.
However, if you are on a board of directors, then I might…(eh, still I won’t honestly because it doesn’t make much a difference, and it may rather complicate the problem during the process)