Monday, July 12, 1999 Published at 08:01 GMT 09:01 UK
Breast milk studied for toxins
More than 350 chemicals were found in breast milk samples
A government study is to probe the extent to which breast milk from British mothers is contaminated with poisonous chemicals.
The study follows a World Wide Fund for Nature (WWF) report, which found more than 350 chemicals, from substances such as perfume, suntan lotion and pesticides, in breast milk samples.
However, government experts, the WWF and child health specialists all said that the benefits of breastfeeding were far too great to stop.
And the WWF said that cow's milk, which is used in infant milk formulas, could be equally contaminated.
These poisonous chemicals can build up in the body over time and cause cancer, immune system damage and hormonal imbalances.
The WWF study in turn follows an independent report into the findings of a government investigation carried out three years ago into dioxins in breast milk in Britain.
The report found "significant" but not dangerous levels of dioxins.
"The total amount that we are talking about fits quite comfortably into the total amount that somebody is supposed to get, especially given that environmental exposure to this sort of thing has been falling over recent years.
"But what we felt was that this was an issue that warranted further study."
The Leeds survey will attempt to collect a representative sample of breast milk to form an "archive" of milk samples reflecting social groups, diets, and number and position of children in families.
The government was keen on Sunday to stress that mothers should still breastfeed.
The Maff spokesman said: "The potential risk as a result of residual contaminants is far, far outweighed by the clear and proven nutritional, health and other benefits of breastfeeding."
That advice was repeated by Professor David Baum, President of the Royal College of Paediatrics and Child Health.
He told the BBC: "There is no doubt in my mind that mothers should continue breastfeeding.
"The mother and baby are a nutritional unit from conception onwards. There are no reports of any health disadvantages."
He did call for more research into the issue: "It's a very proper concern that there should be contamination in our food cycle.
"But I see nothing in this report which should lead any mother or father to waver."