Mary Chapman, features writer —

Scores of events are afoot worldwide to mark Feb. 28, Rare Disease Day 2019. The activities aim to raise awareness about rare diseases and the millions of people — estimates run as high as 350 million — they are thought to impact. Across countries, patients, caregivers and advocates will paint faces, wear…

A renowned expert on metabolic bone disorders, including hypoparathyroidism, Michael A. Levine’s groundbreaking professional achievements earned him the American Society for Bone and Mineral Research (ASBMR) 2018 Frederic C. Bartter Award. Levine, MD, a pediatric endocrinologist and medical director of the Center for Bone Health at Children’s Hospital…