§ Mr. Brightasked the Secretary of State for Social Services if he has studied the recent report in The Lancet demonstrating that even at low levels, lead significantly impairs intelligence: and if he will make a statement.
§ Mr. Kenneth ClarkeI have read a recent letter inThe Lancet from Professor Blair and colleagues which reports the effect of relatively low levels of lead on an aspect of brain chemistry. It does not however report directly on the relationship between lead and intelligence.
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§ Mr. Brightasked the Secretary of State for Social Services if he has studied the report on lead levels in blood in the Piedmont region of Italy; and if he will make a statement.
§ Mr. Kenneth ClarkeI understand that the report is not yet complete.
§ Mr. Brightasked the Secretary of State for Social Services how many representations he has received from medically qualified bodies or individuals on lead as an additive to petrol since he took office; and, of these, how many have been in favour of the retention of lead as an additive.
§ Mr. Kenneth ClarkeTwo letters have been received from medically qualified individuals, neither of which favoured the retention of lead as an additive to petrol.