LOL
#meme #funny #humor #humour #joke
@snow @freemo An x-ray every year or so (dose to a patient) is harmless. An x-ray every hour over a career (dose to an unshielded dentist) much less so.
@snow ... is a lot less than the 100,000 a dentist performs over his lifetime.
It also still gives a *tiny* cumulative dose.
http://imgs.xkcd.com/blag/radiation.png
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
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