On Fri, 01 May 2015 10:55:14 +0100, "Dave Plowman (News)"
wrote:

In article ,
EricP wrote:
We are LED converted at home and very pleased with them but the place
my wife works have just replaced all their bulbs with Daylight LEDs

Immediately everyone working there has got terrible headaches that
last about twenty four hours. The whole staff from managers down.

Anyone get any ideas about this.

Probably flicker - too fast to be noticeable. Although I'm surprised it's
effected everyone.

Good idea about that. Hopefully they can get it looked at soon.