Decades: 1210s 1220s 1230s 1240s 1250s - 1260s - 1270s 1280s 1290s 1300s 1310s
Years: 1257 1258 1259 1260 1261 - 1262 - 1263 1264 1265 1266 1267
Deaths
... unethical to lie to a patient about the chance of success of their treatment. Quacks do not have these ethical constraints. Side effects from real treatment. Anti-cance ...