A mother and father with their baby in a park in Shanghai. Placentophagy -- the practice of eating one's placenta after birth -- is relatively common in China, where it is thought to have anti-ageing ... more 

A mother and father with their baby in a park in Shanghai. Placentophagy -- the practice of eating one's placenta after birth -- is relatively common in China, where it is thought to have anti-ageing properties, and dates back more than 2,000 years less