China's ailing Nobel laureate Liu Xiaobo in 'critical condition'
The First Hospital of China Medical University in the northeastern city of Shenyang said Liu's tumour has grown and his liver is bleeding.
Jul 10, 2017, 16:27 PM ISTDental diseases cost the world $442 bn annually
Improvement in oral health alone can offer the world substantial economic benefit as researchers have estimated that the yearly global economic impact of dental diseases amount to $442 billion.
Sep 21, 2015, 12:37 PM IST