Home >> Sports >> Running >> Cross Country   College and University   Events   Youth and High School Cross Country and Running Analysis Cross Country,Track, and Running Analysis--try the track calculator Bone Health in Female Runners Intervention Trial (B-FIT) 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. We 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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