A short history of medicine: I have an earache. 2000 B.C. – Here, eat this root 1000 A.D. – That root is heathen, say this prayer. 1850 A.D. – That prayer is superstition, drink this potion. 1940 A.D. – That potion is snake oil, swallow this pill. 1985 A.D. – That pill is ineffective, take this antibiotic. 2000 A.D. – That antibiotic is artificial. Here, eat this root.
