The Evolution of Medicine
I have an earache …
2000 BC – Here, eat this root.
1000 AD – That root is heathen. Here, say this prayer.
1850 AD – That prayer is superstition. Here, drink this potion.
1940 AD – That potion is snake oil. Here, swallow this pill.
1985 AD – That pill is ineffective. Here, take this antibiotic.
2000 AD – That antibiotic is artificial. Here, eat this root.