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1220s

Centuries: 12th century - 13th century - 14th century

Decades: 1170s 1180s 1190s 1200s 1210s - 1220s - 1230s 1240s 1250s 1260s 1270s

Years: 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229

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... medicines, do not have these side effects -- they have no effect. Distrust of conventional medicine. Conventional medicine does not have a clean history either. Much of ...