Originally published on Tue March 26, 2013 9:03 am
What you do while you're asleep may say something about your cognitive function later in life.
Here's why. Mayo Clinic researchers report that having a condition called REM sleep behavior disorder, in which you act out dreams in your sleep, appears to be a harbinger for something called Lewy body dementia years later — at least in men.
Originally published on Fri March 22, 2013 9:35 am
Newly installed Chinese President Xi Jinping is following in his predecessor's footsteps by making Russia his first official trip abroad.
The visits by Xi and Hu Jintao before him (in 2003), both meeting with Russian President Vladimir Putin, reinforce how the Cold War rivals have grown closer as they seek to counter U.S. influence in Asia and Europe.