LEVELS of mercury currently regarded as safe for adults could impair brain function, according to a study in Brazil. The study has been dismissed as too small to be conclusive, but if it is right, mercury could be slightly reducing the mental performance of millions of people worldwide.
Low levels of mercury are already thought to damage the nervous systems of fetuses and babies. After a study in the Faroe Islands showed that children exposed to mercury in the womb have memory, attention and language problems at age seven, regulatory authorities in the US and UK advised pregnant and nursing…
