Vidyya Medical News Service
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Volume 6 Issue 7 Published - 14:00 UTC 08:00 EST 7-Jan-2004 Next Update - 14:00 UTC 08:00 EST 8-Jan-2004
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Friendships play key role in suicidal thoughts of girls, but not boys
Relationships with friends play a significant role in whether teenage girls think about suicide, but have little impact on suicidal thoughts among boys, according to a new nationwide study.  more

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Journal Watch: Clinical comparison of three common treatments of acute otitis externa in primary care
In a Journal Watch review of "van Balen FAM et al. Clinical efficacy of three common treatments in acute otitis externa in primary care: Randomized controlled trial. BMJ 2003 Nov 22; 327:1201-3," Dr. Keith I. Marton comments that unless physicians are aware that a patient is allergic to an antibiotic, or that antibiotic resistant organisms are present, it is reasonable to choose between acetic acid/steriod or antibiotic/steriod ear drops to treat otitis externa.  more

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Capsule endoscopy (CE) promising for diagnosis of small bowel disease
An ingestible video camera that produces digital images of the small intestine can "see" areas other diagnostic techniques cannot, and holds promise in the diagnosis of small bowel disease, according to a study published in the January issue of the journal Radiology.  more

 


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Chagas' disease: virulence factor identified
Chagas' disease affects over 18 million people in Latin America. The agent responsible is a protozoan parasite, Trypanosoma cruzi, transmitted by haematophagous insects. For survival in the host's organism, it uses several strategies, but especially one of inhibiting the host's immune response. Research scientists from the IRD and INSERM (1) who are studying this trypanosome found that one of the proteins it secretes, Tc52, is a virulence factor that plays a pivotal role in the infection mechanism.  more

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Information for patients: Chagas disease
Also called American trypanosomiasis (tri-PAN-o-SO-my-a-sis), Chagas disease is an infection caused by the parasite Trypanosoma cruzi. It is estimated that 16-18 million people are infected with Chagas disease; of those infected, 50,000 will die each year. more

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BSE update for 5 January 2004
USDA stresses again that BSE is not spread from cow to cow and that there is a low risk of transmission of BSE from heifer to calf. In addition, these animals are too young an age to develop BSE. However, because the calf of the BSE-infected cow cannot be definitively identified, USDA will depopulate a herd out of an abundance of caution.  more

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Survivors of Bam earthquake urgently require public health supplies and medicines
USDA stresses again that BSE is not spread from cow to cow and that there is a low risk of transmission of BSE from heifer to calf. In addition, these animals are too young an age to develop BSE. However, because the calf of the BSE-infected cow cannot be definitively identified, USDA will depopulate a herd out of an abundance of caution.  more

 
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