Affordable, Hand-Held Biosensor For Diagnostics
... to thesurface significantly alters the refractive index of the silicon matrix itself,resulting in a major increase in sensitivity. "It's as if the color of the film itself is changing because we inducethis change in the silicon nanoparticles," said Sailor. "So that's the amazingthing. That was the...Cardiovascular Costs, Deaths Projected To Rise In 1998
...tary Guidelines for Americans as having abody mass index of 25.0 to 29.9. Body mass index is measured by the ratio ofweight to height. Obesity, defined by the World Health Organization, is a......idethat was engineered to increase the therapeutic index of cisplatin andcarboplatin, two widely used anticancer drugs. Although platinum chemotherapy is widespread, formulations of cisplatin andcarboplatin have a major risk of kidney toxicity (cisplatin), nausea andvomiting, bone marrow suppression, neur...Lifetime Risks And Costs Of Heart Disease Much Higher For Obese
...Obesity is frequently measured using the body mass index (BMI), a method ofestimating a person's body fat. BMI is calculated by dividing weight inkilograms by the square of height in meters. Based on National Institutes ofHealth guidelines, individuals with BMIs of 30 or greater are considered obese,whil...Slowing Excess Weight Gain In Childhood Appears To Reduce Adult Heart Disease Risk
...dy, rates of increase in both weight and body mass index -- arelative measure of fatness -- during childhood and adolescence correlated withhigher levels of cholesterol, insulin and high blood pressure in adulthood. Researchers found that individuals above the median for weight gainduring childhood......ease asmeasured by carotid ultrasound or ankle-arm index (AAI), have a wide range ofcoronary calcifications as measured by EBCT," said Dr. Newman, who is anassociate professor of medicine at the university's School of Medicine and anassistant professor of epidemiology at the university's Graduate School of...Low Educational Level Increases Risk For Congestive Heart Failure
...levels of cholesterol,blood pressure and body mass index (a numerical way to measure body fat based onweight and height). Other factors, such as diabetes, educational level,physical inactivity, cigarette smoking and alcohol consumption, were included inthe analysis. The low educational level was included......otecting agent designed toincrease the therapeutic index and protect against the common toxicities ofwidely used anticancer drugs, including taxane and platinum based agents. BioNumerik's karenitecin is a novel silicon-containing anticancer compound thathas demonstrated potent antitumor activity at concen......esearchers measured obesity in terms of body mass index (BMI), ameasure of how overweight someone is after taking into account their height. Thehigher the BMI the fatter the person. Dr. Camargo plans to conduct another year of followup on the children inthe study, and then will combine data fro...Women May React To General Anesthesia Differently Than Men
...en in 1997 to test the effectiveness of"bispectral index monitoring," dubbed BIS, a device that interprets brain wavepatterns and assigns a numerical score to a patient's degree of unconsciousness.The scale ranges from 0 (a dead brain) to 100 (fully awake). The 1997 Dukestudy, supported in part by the manu...Surgery for severely obese improves more than just weight
... surgery if they had a body mass index of 40 kg/m2 orgreater or a BMI of 35 kg/m2 with the presence ofobesity-related conditions, such as hypertension or diabetes. Theaverage patient in this study had a BMI of 51 kg/m2. ...Effects of nicotine influenced by housing and gender
...s in male ratsoccurred on behaviors that primarily index activity, arousal, and exploration,"Faraday explains. The scientists worked with 96 female and 96 male laboratory rats implanted withminipumps that delivered continuous doses of nicotine to some of the rats and asaline solution to others serving as a...UI study finds types of decision-making deficiencies depend on area of brain damage
... to measure skinconductance responses (SCRs) -- an index of emotional state activation. Each timethe subjects clicked the mouse, the action was recorded as a mark on a polygram.The SCRs generated during the task were divided into three categories: rewardSCRS, which were generated after winning a sum of mon...Reacting well to heart disease can help avoid future attacks
.... "Patients who scored in the lower third of the index were three times as likelyas patients who scored in the upper third of the index to sustain a new coronaryevent," said Helgeson. The researchers report their findings in the curren...Study shows obesity adds years to real age
...romotion. Calculations assumed a body mass index (BMI) -- a measure of weight forheight -- of 30 and above as compared to 18.5 to 25, Stevens said. Determinedby dividing one's weight in kilograms by one's height in meters squared, a BMIbetween 18.5 and 25 is considered ideal. A typical female fas...Hormone linked to body weight may help regulate blood pressure
...mone. When researchers adjusted for age, body mass index and insulin, they found thatmen with higher leptin levels also had higher diastolic blood pressure -- thepressure when the heart is resting between beats. "The data clearly indicatethat high leptin levels are related to high blood pressure," Takizawa...Researchers find elevated cholesterol is risk factor for preeclampsia
... the most overweight group - women with abody mass index of 30 or more.) However, they found a strong associationbetween elevated cholesterol and preeclampsia. Of the 86 women surveyed who hadpreeclampsia, 22 percent reported having elevated cholesterol levels beforepregnancy, compared with only 11 perce......tion. Then shecalculated each patient's body mass index (BMI), which is considered the mostreliable measurement of obesity, for all the mothers. "We found that the patients who had C-sections had an average BMI of 53,significantly higher than the average BMI of 31 for those delivering vaginally,"B......-lesson, 6-monthcurriculum reduced their body mass index and their TV, videotape, and video gameuse. They also ate fewer meals in front of the TV. Elaine Stone, Ph.D., HealthScientist Administrator, NHLBI, is available for comment on this study. Statement from Dr. Claude Lenfant, director, National Hear......der, high blood pressure, smoking, and body weight index (a measure of obesity) -- showed that age was associated with the degree of atherosclerosis independently of the other risk factors. "This study of individuals with no known heart disease demonstrates that heart disease begins at a very young age and...