The Average Age of Menarche in Canada Is Now Between

question 1

Multiple Choice

The average age of menarche in Canada is now between 12 and 13. This age is significantly lower than in the 1890s. The reason cited for this is

• A)improved nutrition and health care.
• B)increased use of hormones in foods.
• C)that girls are more active today.
• D)higher rates of childhood obesity.

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