Bone mass

Dear Doctor: I just turned 65, and even though I'm strong and healthy, my friends say I should be concerned about osteoporosis. What is it, and how do I know if I have it? Dear Reader: Osteoporosis, [...]
By Ask the Doctors • April 2, 2018
Early in the morning of July 3, 2017, 20 intrepid mice returned to Earth from the International Space Station aboard SpaceX’s Dragon capsule, splashing down in the Pacific Ocean off [...]
By Tiare Dunlap • July 11, 2017