Progress of Medicine
 

This is not original.  But it is true and made me smile.

HorseFeathers Veterinary Service, PLLC 919-542-09901

2000 BC - Here, eat this root.

1000 BC - 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 doesn't work anymore.

                   Here, eat this root.