OBJECTIVE: To evaluate bone mineral density (BMD) in perimenopausal competitive runners with long-term follow-up. STUDY DESIGN: Fifteen master female runners between 40 and 50 years old who ran at least 20 miles per week were evaluated. BMD was…
Data in the literature suggest that circulating levels of lipoprotein(a) [Lp(a)] and insulinlike growth factor I (IGF-I) respond similarly to therapy with growth hormone, estrogen, or tamoxifen. To more clearly document these relations, we designed a…