Tag: "measurements" at medical news
Exercise-induced shortness of breath not always caused by asthma
...sthma, but the sophisticated respiratory and heart measurements
also revealed the true cause of the shortness of breath during exercise. The findings are published in the March issue of Annals of Allergy, Asthma and Immunology. In the study, the most common cause of exercise-induced dyspnea was simply that the pa...
The trust game: Measuring social interaction
...easure how and when trust decisions were made. The measurements
were done on 48 pairs of subjects involved in the rounds. Each subject was instructed separately in the rules of the game. One the investor received $20 during the first of the 10 rounds of the game. That person decided how much money to give the o...
Raw food vegetarians have low bone mass
... not? Fontana says he's not sure. Current clinical measurements
would indicate that many in this group have osteoporosis or less severe bone loss called osteopenia. But with low levels of inflammation, normal bone turnover and high vitamin D, Fontana says the usual clinical parameters may not apply. "For example...
Envisat enables first global check of regional methane emissions
...aboard Envisat has performed the first space-based measurements
of the global distribution of near-surface methane...ns Christian Frankenberg of IUP. "For example, the measurements
confirm the occurrence of enhanced methane concentrations over the Ganges plains in India as well as...
Waist size linked to diabetes risk in adult men
..."Many of the men who developed type 2 diabetes had measurements
lower than the cutoff," explains Wang, "and the risk associated with waist circumference increased at a much lower level." While nearly 80 percent of the men in this cohort who developed type 2 diabetes could be identified using a BMI of 25--the cuto...
Mountaineering doctors hike medicine to new heights with Xtreme Everest
...The medical research team will make the first ever measurements
of blood oxygen in the 'death zone', at altitudes above 8,000 metres where the human body has struggled - and frequently failed - to survive. The Centre for Aviation, Space and Extreme Environment Medicine (CASE) team, based at University College Lo...
Study of obese diabetics explains why low-carb diets produce fast results
...spital for the length of the study to insure exact measurements
of calorie intake and expenditure. In other studies of the Atkins diet, subjects were at home and reported their own diet and exercise, making it difficult to ensure accuracy. In addition to the calorie reduction and weight loss, subjects experience...
Short-term effects of spit tobacco suggest long-term health risks
...r dipping snuff. These readings were compared with measurements
from another session involving the same participan...lood pressure went up by 12 mmHg (10 percent), and measurements
of adrenalin in the bloodstream increased by more than 50 percent. "These results suggest a very si...
News tips from the 2005, 54th Annual Scientific Sessions of the American College of Cardiology
..., some of which lasted up to 1.5 hours, and repeat measurements
were made on average 24 days after the MRI to measure any long-term complications. No ill effects were observed. The only complaint cited was claustrophobia, which is commonly associated with the close confines of the MRI scanner. The researchers...
Laughter helps blood vessels function better
...east 30 to 45 minutes. A total of 160 blood vessel measurements
were performed before and after the laughter and m...tudy. There were no differences in the baseline measurements
of blood vessel dilation in either the mental stress or laughter phases. But there were striking con...
NJIT chemistry professor edits text outlining best laboratory practices
The importance of meticulous measurements
are essential to good science. But ensuring that correct methods are used is another story as well as the topic of a text edited by Somenath Mitra, PhD, professor of chemistry, at New Jersey Institute of Technology (NJIT). Sample Preparation Tec...
American Thoracic Society Journal news tips for March 2005 (first issue)
...13, 15, 18, 21, and 26. Information on asthma and measurements
of lung function, airway responsiveness, and atopy (inherited tendency toward allergic reaction) were obtained on each of these occasions. At each age checked, investigators calculated the young person's age, height, and weight in light clothing wit...
Dual testing better for monitoring new cases of HIV
...ally "new" cases also have the potential to hamper measurements
of how successful are global treatment efforts in Africa, where aid from the United States is set to make antiretroviral therapy more widely available. The Hopkins team successfully determined new cases from old by adding the Affinity/Avidity test to...
Slow growth in infancy signals poor economic prospects in adulthood
...e first year of life. The researchers linked these measurements
to their educational levels and information on income and occupation, taken from the 1990 census. The analysis showed that boys who were taller between birth and 1 year earned more than their shorter peers, irrespective of family background. Growth a...
Small increases or 'blips' in HIV levels do not signal mutations leading to drug-resistant HIV
...ributed to random statistical artifact inherent in measurements
of very low amounts of virus." Siliciano warns that drug resistance is a growing problem in AIDS therapy, as the virus can mutate faster than medical research can develop new drugs. When HIV becomes resistant to one drug, it may also become resista...
Bone density returns when teens stop using Depo Provera, Group Health study finds
...women who were not using this method. Bone density measurements
were taken at the start of the study, and at 6-month intervals over a span of 2 to 3 years. During that period, 61 of the Depo-Provera users stopped using the drug, allowing the scientists to see how their bone density changed once they discontinued....
Special imaging study shows failing hearts are 'energy starved'
...Hopkins used MRS to provide direct molecular-level measurements
of the CK supply in normal, stressed and failing h...de not only images of the anatomy, but also direct measurements
of the concentrations of various important biochemicals and their chemical reaction rates within the...
Cardiac imaging is underused in women to diagnose disease
...ce (MR) imaging and carotid intima-media thickness measurements
are all listed as new and rapidly developing imagi...he committee made no recommendation about using CT measurements
of coronary calcium the so-called calcium score. But Mieres said the committee agreed that women w...
Cholesterol under-treated in high-risk women in managed care study
...h-risk women had optimal levels of all cholesterol measurements
at the start of the study. This improved to 12 percent after three years, still far short of where we would like to see these high-risk women," Mosca said. "We also found that only about one-third of women were receiving cholesterol-lowering medica...
Satellite data reveal immense pollution pool over Bihar, India
...t to make high-resolution, multi-angle radiometric measurements
of Earth from space," Di Girolamo said. "By measuring reflected sunlight at nine angles, we can accurately determine the amount of particulate matter, including that generated from man-made pollution, in the atmosphere." While high pollution levels ...
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