Sites about cross country running are found in this category and its subcategories.
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Many female distance runners experience a loss of menstruation which is an indication of low levels of estrogen. Being low in estrogen leads to poor bone health. They are looking for competitive women runners ages 18-25 who are interested in becoming a part of this Stanford University study.
Many female distance runners experience a loss of menstruation which is an indication of low levels of estrogen. Being low in estrogen leads to poor bone health. They are looking for competitive women runners ages 18-25 who are interested in becoming a part of this Stanford University study.
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