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

• 2000 B.C. - "Here, eat this root."
• 1000 B.C. - "That root is heathen, say this prayer."
• 1850 A.D. - "That prayer is superstition, drink this potion."
• 1920 A.D. - "That potion is snake oil, swallow this pill."
• 1975 A.D. - "That pill is ineffective, take this antibiotic."
• 2006 A.D. - "That antibiotic is artificial. Here, eat this root!"