bed-blocker n.— «A former railway worker who paid his taxes and worked hard to put two children through private school, Ray Smith had been languishing in Launceston General Hospital since August, waiting for a bed in a secure dementia...
young-old n. older adults who lead active lives contrary to stereotypes of diminished abilities. (source: Double-Tongued Dictionary)
food insecurity n. the state of, or risk of, being unable to provide food (to oneself, a family, a nation, etc.). (source: Double-Tongued Dictionary)
epigenetics n. the study of how environmental factors can change gene function without altering DNA. (source: Double-Tongued Dictionary)

