Check out a few of the most popular News Network stories on @mayoclinic social media this past week. Mayo Clinic Minute: The importance of breast cancer screening A recent report from the American Cancer Society calculates that 1 in 50 women will develop invasive breast cancer by the age of 50. Early detection through screening can lead to more treatable and curable breast cancers. Dr. Elizabeth Cathcart-Rake clears up confusion about who should be screened and…