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Tag: "travelers" at biology news

Marburg virus disease in Angola - update

...ng additional logistic support and equipment. Two travelers returning to Portugal from Angola were investigated for possible Marburg virus infection and laboratory results were negative in tests performed by the Bernard-Nocht Institute for Tropical Medicine, Hamburg, Germany, a WHO Reference Laboratory. ...

Norovirus, AIDS vaccine and Hepatitis Virus

...ay be a major cause of illness among United States travelers who experience TD during extended stays in developing countries," say the researchers. The high frequency of NoV infection among TD cases examined in this study suggests that further investigations concerning the role of these viruses in TD are warra...

Norovirus found to cause traveler's diarrhea

A majority of traveler's diarrhea cases among U.S. travelers to Mexico and Guatemala were attributed to Norovir...utions. The researchers also found that the longer travelers stayed at their destination, the more likely they were to contract Norovirus infections. The study i...

New understanding of jet lag

...g may explain, at least in part, why transmeridian travelers suffer from jet lag, the malaise experienced after...dicines that would "reset" the biological clock so travelers could adjust much more quickly to rapid time zone changes. Most people require about two-and-a-half ...

Travelers can avoid jet lag by resetting their body clocks

... and the over-the-counter drug melatonin -- allows travelers to avoid jet lag by resetting their circadian body clock before crossing several time zones, according to new research being published in The Endocrine Society's Journal of Clinical Endocrinology and Metabolism. This treatment can also help those wi...

Afghanistan to protect wildlife and wild lands

...heep and the namesake of one of the first European travelers along the silk routes to east Asia and who described the giant sheep in his writings in the late 13th Century. Other mammals known to occur in Afghanistan include the ibex, the Persian leopard, gazelles, and the elusive snow leopard. Specifically, f...

Polynesia explorers created worldwide web of scientific knowledge

Scientific travelers of the 18th and 19th centuries led waves of daring...dings. Liebersohn's study is the first to put the travelers at the center of the "networks of knowledge" story, to make them "mediators in the global system for...

Melatonin improves mood in winter depression

...r) rhythm disturbances, such as those found in air travelers and shift workers, as well as in totally blind people. Lewy and his colleagues in the OHSU Sleep and Mood Disorders Lab set out to test the hypothesis that circadian physiological rhythms become misaligned with the sleep/wake cycle during the short ...

Newly discovered behavior in cancer cells signals dangerous metastasis

...ncer cells shift between two alternating states -- travelers and nesters -- represents a new understanding of how cancer metastasizes, or spreads to other parts of the body, said the Duke Comprehensive Cancer Center researchers who conducted the study. "Understanding this toggle switch might ultimately enable...

Air travel and flu: Post-9/11 restrictions delayed start of season

...re slowly in years when the number of domestic air travelers was lower. However, the most striking finding was that the peak date of the US flu season following September 11, 2001 was delayed, by 13 days, to March 2. Following the terrorist attack, there were restrictions on air travel and many people themselv...

Uganda's mountain gorillas increase in number

...ign revenue for Uganda annually by bringing paying travelers into the company of mountain gorillas. Four of the 30 family groups are habituated for tourism, or conditioned to tolerate the presence of humans for short durations. The other mountain gorilla stronghold is located just south of Bwindi Impenetra...

NT researchers discover breakthrough in malaria treatment

...l countries of our region and puts many Australian travelers at risk of disease. Vivax malaria is becoming inc... prophylaxis" is similar to the approach of giving travelers regular medication to protect them from infection, but can be applied opportunistically to people at...

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