Ossu Rua, East Timor  - Jose da Silva thinks he's 70 years old, though he isn't sure. His hair is white and his eyes are cloudy and his teeth just aren't what they used to be.

He smiles, showing off gaps where teeth are missing and those that remain are wiggly and red from chewing betel nut. He says his teeth have failed him. He tells of a time, not so long ago, when he could still chew on the still-attached testicles of baby goats and sheep, once or twice a year. He did it for decades.