April 14, 2011
Nervous System Imbalance May Cause Fatigue in Breast
The persistent fatigue
and exhaustion plaguing some breast cancer survivors after
successful treatment stems from a tug of war between the
"fight-or-flight" and "resting" parts of the autonomic nervous
system, with the former working overtime and the other unable to
rein it in, a new study suggests.
Parents, Saying 'Um' and 'Uh' May Aid Learning
Parents who say "um" and
"uh" when speaking to their toddlers aren't setting a bad example;
they're actually helping the children learn language more
efficiently, according to researchers.