2000 B.C.E – “Here, eat this root”.
1000 A.D – “The root is heathen. Here, say this prayer”.
1850 – “That prayer is superstitious. Here, drink this potion”.
1920 – “That portion is snakeoil. Here, swallow this pill”.
1945 – “That pill is ineffective. Here, take this penicillin”.
1955 - “Oops, bugs got resistant. Here, take this tetracycline”.
1957 – 2007 “Oops x 42. Here, take this more powerful antibiotic”.
2008 - :The germs have won. Here, eat this root.”
                                                                                                    Anonymous


(From Bless My Bones, Why Calcium Doesn't Work)