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Possible Blood Test For MS | |
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HEALTH TIPS - Wednesday, February 28, 2007
"News That Keeps You Healthy"
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this week's GopherCentral.com Question of the Week.
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LAUGH YOUR WAY TO ARTERIAL HEALTH
Using funny movies to gauge the effect of emotions on
cardiovascular health, researchers have found laughter
can promote blood vessel health. The scientists at the
University of Maryland School of Medicine in Baltimore
note laughter appears to cause the tissue that forms the
inner lining of blood vessels, the endothelium, to dilate
or expand to increase blood flow. When the same group of
volunteers was shown a movie that produced mental stress,
their blood vessel lining developed a potentially
unhealthy response called vasoconstriction, reducing blood
flow. That finding confirms previous studies, which sug-
gested a link between mental stress and the narrowing of
blood vessels.
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SOME BRAIN INJURY FACTS
March is Brain Injury Awareness Month, and the Veterans
Administration notes such injuries affect some 1.5 million
Americans annually. Each year, 80,000 people die of traumatic
brain injury. Specialists say any injury to the head, be it
mild, moderate or severe, can result in a TBI, which can
disrupt the normal function of the brain. Symptoms include
headache, dizziness, balance problems, lack of energy,
nausea, increased sensitivity to lights and/or sounds,
blurred vision or eyes that tire easily, loss of sense of
smell or taste, ringing in the ears and sleep disturbance.
Cognitive symptoms may include short-term memory deficits,
confusion, poor concentration, difficulty making simple
decisions and slow thinking, speaking, acting or reading.
Behavioral symptoms include increased irritability, sad mood,
lack of motivation and increased anxiety. VA studies show
anyone with a brain injury can benefit from rehabilitation
services, researchers say.
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POSSIBLE BLOOD TEST FOR MS
The finding of at least three biomarkers for multiple scler-
osis could lead to a simple blood test to diagnose the
disease, scientists say. The researchers from Wake Forest
University Baptist Medical Center studied relapsing-remitting
MS, the most common form, characterized by attacks inter-
spersed with stable periods. Their findings, reported in the
Journal of Molecular Neuroscience, suggest a future blood
test might identify the earliest changes that mark MS, says
lead researcher Dr. Jagannadha Avasarala. Currently,
diagnosis -- through patient history, physical examination,
the costly magnetic resonance imaging and laboratory testing,
such as lumbar puncture -- is difficult to reach conclusively
in some patients, Avasarala says.
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Copyright 2007 by NextEra Media. All rights reserved.
Copyright 2007 by UPI. All rights reserved.
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