WARNING!
This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.
More and more girls are reaching puberty before the age of 10. The phenomenon could be linked to obesity or exposure to chemicals in the food chain. It is putting girls at greater long-term risk of breast cancer.
A study has revealed that breast development now typically starts at an average age of 9 years and 10 months -- an entire year earlier than what a similar study found in 1991.