History of Medicine

2000 B.C. – Here, eat this root.
1000 A.D. – That root is heathen.  Here, say this  prayer.

1850 A.D. – That prayer is superstition.  Here, drink this potion.

1940 A.D. – That potion is snake oil.  Here, swallow  this pill.

1985 A.D. – That pill is ineffective.  Here, take this antibiotic.

2000 A.D. – That antibiotic doesn’t work anymore.Here, eat this
root.

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