jakdedert wrote:

I'd just fashion a hat from tin foil and forget about it. That
usually blocks most harmful 'waves'. I heard about a guy who encased
his entire house in the material; but Codes made him remove it after
numerous complaints from neighbors.

I'm not sure that really works well....check out this site for some real
data:
http://people.csail.mit.edu/rahimi/helmet/