Decades: 0s 10s 20s 30s 40s - 50s - 60s 70s 80s 90s 100s
Years: 48 49 50 51 52 - 53 - 54 55 56 57 58
Births
Deaths
... or treatments, known to have no effect on a disease, can have major effects on a person's perception of their illness. People report reduced pain, and increased well being, ...