Medicine: How Far Have we really Come?

We have come a long way since we lived in caves and clubbed mammoths over the head for food.

Or have we.

Here's a brief history of medicine
'OUCH, 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.