A SHORT HISTORY OF MEDICINE:

"Doctor, I have an ear ache."


2000 BC - "Here, eat this root."

1000 BC - "That root is heathen, say this prayer."

1850 AD - "That prayer is superstition, drink this potion."

1940 AD - "That potion is snake oil, swallow this pill."

1985 AD - "That pill is ineffective, take this antibiotic."

2000 AD - "That antibiotic is artificial. Here, eat this root!"