Primates and humans are basically the only mammals that do NOT make ascorbic acid, also know as Vitamin C, in their liver. Vitamin C is a strong anti-oxidant, anti-viral, and anti-cancer natural chemical that goes straight into the blood stream of all other sick mammals on earth and cures them.

1. How is that humans ended up with this major metabolic defect?

2. Are the genetic changes going on now fixing that?