piaz

complaint: "Doctor, I have an ear ache."

solution:

1000 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!"

Sajalina