There where actually a wide range of effective treatments for infections before antibotics. EX: Hunny works as a topical treatment. Dioscorides (c.50 AD) (http://www.worldwidewounds.com/2001/november/Molan/honey-as-...) The problem is Aging is a single word discribing thousands of individual problems. It's like someone saying they can solve 'network secuirty' with a simple patch. Cancer is a similar issue because what's being discribed is a symptom not a unified underlying breakdown.

EX: Cantagious cancer: http://en.wikipedia.org/wiki/Devil_facial_tumour_disease

On the other hand we have zero effective treatments for aging.