Oh come on guys how stupid is this! If it was that dangerous for our health do you honestly think there would be so many of us doing the job!
And BA is a prime example you can live to a ripe old age and be cabin crew
As for cosmic radiation that is partly why we have Flight Time Limitations, its all measured and monitored and there have been no findings that there is any concern.
Use the "bed before Midday for a few hours, or stay awake after midday" rule to fight Jet Lag, your body gets used to it...
Just drink a big bottle of water every flight, use moisturiser and get over it!
Pah, what a rediculous topic!
