A leading toxicology scientist believes tighter regulations are needed to prevent chemicals leaking into the human body from common plastic drink bottles and packaging. University of Canterbury professor of toxicology Professor Ian Shaw says it is crucially important to decrease the amount of the chemical BPA from New Zealanders' diets. BPA, which leaches from food and drink containers into the body, has consistently been found in overseas tests in blood, urine and even the amniotic fluid protecting a foetus. Such chemicals are linked to health problems that can include reduced sperm count in men, early puberty in girls and increased incidence of breast and testicular cancers - and countries such as the US, the UK and Canada have become alert to potential risks.
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