What You Can Learn By Drinking Pig Spit

Something to supplant tequila?

In 2001, Ajit Varki drank a bunch of pig spit. What does drinking the extraction of pig salivary glands give you? Sialic acid, something every mammal in the world produces except humans. Why are we left out?

Source: What You Can Learn By Drinking Pig Spit

Neu5Gc has been covered before: Large Red Meat Consumption Triggers Immune Response, Leading to Cancer