The rs3732487 SNP in MYLK showed associations with both benign breast tumor (OR = 1.20, 95% CI: 1.09–1.32, p = 1.94 × 10−4) and osteoporosis (OR = 1.21, 95% CI: 1.09–1.35, p = 2.57 × 10−4). The gene discussed is MYLK; the disease is osteoporosis.