Panic buying and totally irrational.
Think about it: firstly, it is highly unlikely that any radiation from Japan is going to hit Hong Kong and secondly, taking iodine cannot ward off really harmful stuff like caesium anyway.
Besides, one teaspoon of iodized salt contains at best 400 micrograms of iodine so you're going to have to eat a whole kilogram of salt to make the exercise worthwhile.
Which means you may survive radiation but die of high blood pressure instead.
The panic buying feels even more petty when you consider the real fears of Aoso from Renge House.
She comes from northern Japan and has not been sleeping well since the quake and tsunami struck her country last week.
Her immediate family are all safe but she is sure she has lost quite a few of her friends from her hometown.
Sure puts things in perspective, doesn't it?