On 01/05/2015 11:11, Rod Speed wrote:


"Dave Plowman (News)" wrote in message
...
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.

Yeah, bet that isn't anything physical.

Can't think of the word for it, groupthink isn't quite right.

Group hysteria probably. A lot of it about apparently