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Current methods used by GPs to work out an individuals' future risk of heart disease appear to overestimate the true risk by about 50%. Furthermore, 84% of the coronary heart disease deaths that actually occurred during the study period, were in men predicted to be at low risk.
Evidence from fossilised embryos of worm-like creatures that lived 500 million years ago shows that embryos developed then in much the same way as their living relatives do today. The implications are that embryological processes that occur today must have been established very early on in the evolution of animals.
A hot debate in the Earth Sciences is finally resolved in this week's issue of Nature. Researchers from the Department of Earth Sciences at Bristol University show that large volcanoes do not contain material from the Earth's core. This overturns previous theories that conflicted with models of how the Earth's magnetic field is generated.
Rats housed in unpredictable conditions appear to have a more negative outlook than those housed in stable, settled conditions, according to new research published by scientists at Bristol University Veterinary School.
Coeliac disease (gluten intolerance) in children is much more common thatn previously thought, according to new research from Bristol University, UK. While fewer than 1 in 25,000 children is treated for the disease in the UK, the study shows it probably affects 1 child in 100.
A new way of predicting whether skin cancers will spread to other organs is published this week. By measuring the density of lymph vessels surrounding a melanoma, scientists have been able to predict which tumours will spread.
Men who work alone may increase their stress levels by taking a coffee break in the belief that it will help them perform faster. On the other hand, men who work in teams could feel less stressed after enjoying a sharp intake of caffeine, but this may make them less effective.
Diarrhoea could be diagnosed more successfully thanks to a new test. It is anticipated that this will lead to the development of a device capable of diagnosis at the bedside, saving both lives and money.
A single gene has been discovered that helps plants cope with stressful situations such as disease or poor environments.
A unique assemblage of giant fossil trees has allowed scientists to establish the time when mountains first became forested. The timing of upland "˜greening' has major implications for understanding global temps in the past, and will help refine models of present-day climate change.
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