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Tag: "mathematical" at medical news

UK Army Personnel Involved in Iraqi Invasion Not at Risk from Depleted Uranium

... called plasma-mass spectrometry, and a particular mathematical formula. The authors tested depleted uranium levels in the urine of four different groups who would have been subject to different levels of exposure. These comprised 199 soldiers directly involved in fighting, 96 soldiers involved in other dutie...

Parkinson's Targets Two Distinct Brain Networks, Finds Study

...se the disease. The scientists have also developed mathematical computer models to determine how fast the disease will progress. "These scanning techniques may be helpful in determining what treatments work and what don't," he said....

Fat Tax Could Avoid Considerable Amount of Heart Attack and Stroke Deaths Annually

...c data on food consumption in the UK and applied a mathematical formula to calculate the likely impact of price rises on demand of a range of complementary foodstuffs. They used three different approaches. They first applied the tax to dairy products containing high levels of saturated fats, such as whole bu...

Understanding the Mechanism Underlying Embryo Development

...aster) and scientists specialized in the design of mathematical models that simulate the functioning of biological...PCB, led by Javier Buceta, they decided to turn to mathematical modelling as a way of understanding better the internal mechanisms which regulated this process. I...

New Nano-power Could Make Biopsies Sensitive and Efficient

...magnets encased in the tip of a biopsy needle. A mathematical model of the system confirmed that considerable numbers of cancer cells, loaded with nanoparticles, could be attracted to a needle within two or three minutes. In the lab, the researchers showed that a magnetised needle could draw leukaemia cells sur...

1 in 14 Young Adults Cant Solve Simple Math Sums

Simple mathematical calculations are a knotty affair for most young adults in the UK who have recently left school, for 1 in 14 of them cannot solve basic maths questions meant for 8-year-olds, according to a survey . The survey was conducted to mark the release of t...

Study Finds Genetic Link Between Smoking Addiction and Major Depression

...rs compared the answers from the twins, and used a mathematical model to estimate the genetic and environmental influences on nicotine addiction and major depression. Some people with a history of depression may become smokers as a way of self-medicating. Some people who are smokers might become depressed when ...

Math Model Helps Identify Genes That Attack Hepatitis C Virus

Researchers have developed a mathematical model that identifies genes that battle the hepati... patients and combined the clinical study with the mathematical model and identified 37 out of 22,000 genes which are key for patient response to interferon treatme...

Maths Theory Shows Genetic Pattern of Tumour Growth

...etic makeup to accelerate tumour growth by using a mathematical theory. This is the first study to show why suc... tumour growth, Komarova and her colleagues used a mathematical technique called optimal control theory in which they considered a tumour with set characteristics, ...

Theory of How HIV Attacks is Wrong: Study

...o quickly, the researchers found. Using a simple mathematical model, researchers in the United States and Britain showed the "runaway" model would deplete the body's healthy T cells in a matter of months, instead of the years it actually takes. The results show that a "slow process must be active" in the depl...

Treatment of Premature Babies, Opossums Could Help

...t of humans by using highly complex algorithms, or mathematical formulae, on computers. 'We actually found the human and the opossum immune systems are very similar and that was a real a surprise to us,' Ms Belov said. 'People have thought for a long time the marsupial immune system was primitive and not as g...

Kalam Stressed the Need for Stem Cell Research to Cure Neuro Disorder

...itiate direct intervention - physiologically or by mathematical methods. The president donated Rs.1 million to the institute for enhancing research and rehabilitation works. Kalam also visited the Manovikas Biomedical Research and Diagnostic Centre and interacted with five scientists and 13 research scholars ...

Study Refutes Theory on HIV's Effect on White Blood Cells

... HIV production, and cell destruction. But using mathematical model of the process by which T cells are produced and eliminated, the researchers have shown that if the runaway theory was correct, T helper cell numbers would fall to very low levels over a number of months, not years. He said: "Scientists have ...

Fingers of Kids can Predict Their Performance in Exams

... brain which are often associated with spatial and mathematical skills. Oestrogen is thought to do the same in the areas of the brain which are often associated with verbal ability, the Daily Mail quoted Mark Brosnan, who led the study, as saying. "Interestingly, these hormones are also thought to have a say in...

Scientists Discover Secret Behind Inflorescence

...range flowers into branching structures. Using mathematical models and molecular genetics, the team found the ...lds, said Dr. Harder. Dr Prusinkiewicz said the mathematical model they have developed has a unique property of producing diverse inflorescence structures with r...

New Sepsis Model may Improve Patient Care

A new mathematical model of sepsis can help predict deaths, discharges, and disease progression in hospital patients with this serious bacterial blood infection.This will help clinicians assess which interventions are likely to be best for their patients. Mark S. Ro...

Life Functions Governed by Circadian Rhythms-new Research

...re, Ptitsyn analyzed the sets of data with several mathematical approaches to achieve the same results. The research also shows that gene oscillation is significantly more organized when mammals are exposed to regular periods of day and night. Oscillation can become chaotic in states of consistent lighting or l...

Scientists Predict Bleak Future For Life

...ague Robert Scherrer of Vanderbilt University used mathematical models to determine that in the far future, radiation-including heat, light and all other forms-will vanish faster than it can be replenished through the decay of matter into component protons, neutrons and electrons. At the crux of the issue is d...

A Single High Fat Meal Could Boost Blood Pressures

...dard physical and mental stress tests, including a mathematical test designed to be stressful, a public speaking exercise and others, while having their cardiovascular responses measured. The researchers then measured the subjects' blood pressure, heart rate and the resistance of blood vessels. "Regardless of ...

School Playgrounds and Athletic Facilities Helps To Fight Childhood Obesity

...index for the girls. Body mass index, or BMI, is a mathematical formula representing weight relative to height that can be used to determine whether a person is overweight or underweight. The study found differences in BMI and physical activity by the girls' race and socioeconomic status, consistent with the fi...

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