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Simple breath test may replace endoscopy
A simple breath test for detecting H pylori infection is as effective and safe as endoscopy and is less uncomfortable and distressing for the patient, conclude researchers in this week’s BMJ. view more (2002-04-24)
ESC Congress 2004: Dutch "ICTUS" study shows no benefit from early PCI/CABG in high risk unstable angina patients
Patients with chest pain are recognized as being at high risk of subsequent adverse cardiac events when their plasma levels of cardiac troponin are elevated as evidence of myocardial damage. Based on earlier studies, ESC and ACC/AHA guidelines recommend early angiography and PCI or CABG (early invasive strategy) in all these high risk patients.... view more... (2004-08-29)
Species unique to tidal marshes face threats
Tidal marshes cover only about 45,000 square kilometers worldwide-about the area of Denmark. In comparison with other habitats, tidal marshes support few nonaquatic vertebrate species, but their unique characteristics have led to the evolution of species and subspecies that are endemic (found nowhere else). view more (2006-08-01)
Three new species of lemurs identified
Researchers have identified three new species of lemurs, the small, big-eyed primates native to the island of Madagascar. view more (2006-02-23)
Candidate genes found which may play a role in cancer progressing from non-invasive to invasive
Scientists in America have made the first steps in identifying a group of genes which may be involved in the progression of breast cancer from non-invasive to invasive, the 3rd European Breast Cancer Conference in Barcelona heard today (Thursday 21 March). view more (2002-03-19)
Evolution of new species slows down as number of competitors increases
The rate at which new species are formed in a group of closely related animals decreases as the total number of different species in that group goes up, according to new research published in PLoS Biology. view more (2008-03-25)
Invasive Australian jellyfish sighted in Gulf of Mexico in summer 2007
The invasive Australian jellyfish, Phyllorhiza punctata, first reported in great quantities in the Gulf of Mexico in 2000, has made a vigorous reappearance this summer in waters from southwestern Louisiana to Morehead City, North Carolina. view more (2007-08-20)
Biodiversity conservation - no guarantee for shortcuts
New research from scientists at the University of Sheffield published in the November issue of Ecology Letters has cast doubts on the widely held `rule of thumb` that the conservation of a country`s biodiversity can be guaranteed by focusing on protecting its threatened and endemic species. In a report published this week, Aletta Bonn, Ana... view more... (2002-10-30)
Limited climate tracking in European trees despite 10,000 years of postglacial warmth
The relative roles of environment and history as controls of large-scale species distributions is a crucial issue in biogeography and macroecology. In the forthcoming issue of Ecology Letters Svenning & Skov use bioclimatic modelling to show that among 55 native European tree species, 36 occupy less than 50% of their climatically suitable... view more... (2004-06-10)
Competition between species curbs selfishness?
Animals are in constant competition over procreative resources. The interests of the individual and the population are not necessarily one and the same; aggressive insects may fare well in the mating competition, but eventually the proliferation of aggressive genes will weaken the procreative efficiency of the species. view more (2004-12-20)
Radiotherapy Best Option After Surgery For Ductal Carcinoma In Situ (p 95)
UK research published in this week's issue of THE LANCET suggests that women with a pre-invasive cancer of the breast known as ductal carcinoma in situ (DCIS) are less likely to progress to invasive cancer if they are given radiotherapy after surgery. Mammographic breast screening (introduced in the UK National health Service in 1988) has led to... view more... (2003-07-09)
Entomologists play matchmakers for cerambycid beetles
Cerambycid beetles, also known as long-horned beetles, can cause severe damage to standing trees, logs and lumber. How then might they be promptly detected and their numbers swiftly controlled? view more (2008-08-06)
Indigenous water frogs under threat
Indigenous water frogs can be crowded out by immigrant or imported species. This is the finding of a Franco-German study. The scientists investigated water frog populations in France and Northern Spain and noticed that the marsh frog (Rana ridibunda), which normally occurs only in Eastern Europe, has the potential to crowd out indigenous species... view more... (2007-11-30)
Monocolonialism holds clues for understanding the little fire ant
The presence of Wasmannia auropunctata in New Caledonia was first recorded in 1972. This small ant, with workers measuring only 1 or 2 mm, originates from tropical America. It was introduced by human activity, accidentally brought in, probably on plant material imported for use in forestry. The ant has colonized almost every ecological type of... view more... (2002-12-20)
NOAA Report Finds Threats to California's Cordell Bank Marine Sanctuary
A new NOAA report on the health of Cordell Bank National Marine Sanctuary indicates that the overall condition of the sanctuary's marine life and habitats is fair to good, but identifies several emerging threats to sanctuary resources. view more (2009-06-19)
2007 procedural survey reveals a 2 year increase in age of patients seeking cosmetic surgery
The American Academy of Cosmetic Surgery (AACS) announces the results of its 2007 Procedural Data and since 2002, the average age for patients receiving invasive cosmetic surgery has increased. view more (2008-03-17)
Smoking increases potential for metastatic pancreatic cancer
Smoking has once again been implicated in the development of advanced cancer. Exposure to nicotine by way of cigarette smoking may increase the likelihood that pancreatic ductal adenocarcinoma will become metastatic. view more (2009-07-28)
More species in the tropics because species have been there longer
Why are there more species in the tropics than in the temperate regions of the globe? Many of the world's species live in the tropics (perhaps more than half), but the reason has been debated for more than 100 years. view more (2006-11-02)
Millennials' medspa influence
The American Academy of Cosmetic Surgery has released its results from a consumer survey asking 1,000 women their opinions on medical spas. view more (2008-06-25)
Breast conservation a good option for non-invasive, 'early' breast cancer, U-M study shows
For women diagnosed with a type of non-invasive breast cancer, removing the breast is not the only treatment option. view more (2006-05-08)
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