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GROWING numbers of girls are reaching puberty before the age of 10, raising fears of increased sexual activity among a new generation of children.
Scientists believe the phenomenon could be linked to obesity or exposure to chemicals in the food chain, and is putting girls at greater long-term risk of breast cancer.
A study has revealed that breast development in a sample of 1,000 girls started at an average age of 9 years and 10 months — an entire year earlier than when a similar cohort was examined in 1991.
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