"My throat is hurting...."
2000 BC : "eat this root"
1200 AD : "That root is heathen, say this prayer."
1500 AD : "That prayer is superstition, drink this elixir."
1800 AD : "That elixir is snake oil, Take this pill."
1900 AD : "That pill is ineffective, Take this antibiotic."
2000 AD : "That antibiotic is artificial!
Here, why don't you eat this root?"
