Last Updated: Thursday, November 17, 2011, 14:16
Wakefulness and energy expenditure rely on “orexin cells”, which secrete a stimulant called orexin/hypocretin in the brain.
Last Updated: Friday, December 24, 2010, 00:00
Try honey on toast to avoid that really bad feeling of nausea and headache, says a new study.
Last Updated: Wednesday, September 29, 2010, 00:00
Scientists have revealed that many of us associate the smell and taste with comforting memories.