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Eight-year-old survives rabies
LIVERPOOL, England, Sept. 8 (UPI) -- Drinking and withdrawal from chronic drinking can increase the stress hormone cortisol, raising the risk of memory loss, U.S. and British researchers say.
"Prolonged and elevated levels of glucocorticoid hormones can damage or destroy neurons, and lead to an increased vulnerability to other situations that can damage neurons, such as raised excitatory amino acid activity," A.K. Rose of the University of Liverpool said in a statement. "This can underlie loss of memory functions."
The review also finds brain concentrations of corticosterone remain raised for long periods after alcohol withdrawal, even after the blood concentrations return to normal levels.
Increased glucocorticoid levels in the brain after alcohol treatment are associated with cognitive deficits seen during abstinence, affecting both treatment efficacy and quality of life.
The review, published online ahead of print in the December issue of Alcoholism: Clinical & Experimental Research, says stress and cortisol are very important determinants of the natural history of alcoholism -- affecting an individual's drinking behavior, the effects on cognition and memory and the likelihood of relapsing into alcoholism during abstinence.
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GIGLIO, Italy, Feb. 8 (UPI) --
The crippled cruise ship Costa Concordia has shifted 2 feet since it capsized Jan. 13 in Italy, moving closer to plunging off a rocky shelf, officials said.
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LOS ANGELES, Feb. 8 (UPI) --
Pop star Katy Perry and comedian Russell Brand informed Los Angeles Superior Court they have reached a settlement in their divorce, documents show.
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KARACHI, Pakistan, Feb. 8 (UPI) --
Experts said the carcass of a giant whale shark that washed ashore at Pakistan's Karachi Harbor likely got lost and became trapped in the shallow waters.
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WASHINGTON, Feb. 8 (UPI) --
Thousands of tiny unmanned aircraft or drones flying into civilian airspace over the United States can pose a security threat as they may be difficult to monitor in the long run and some craft may fall into enemy hands, security analysts say.
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