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Message: <blockquote data-quote="bulbboy" data-source="post: 1291847" data-attributes="member: 11"><p>I deal with lights everyday.  There is something to the headache claim.  Once a week I'm dealing with a customer who has someone in their office with headaches from their lights. Almost always its the older style T12 fluorescents that I can help by retrofitting to the T8's.  The newer bulbs cycle tens of thousands more times a second than the old style which is around 600 times a second.  The human eye picks that up and it bothers some people.  Changing the bulb to a warmer shade is also very helpful.</p></blockquote><p></p>