Sexually Active Younger Women Are At Higher Risk For Infection With Human Papillomavirus
...ation of HPV infection. They also warn that it is uncertain whether thesedata apply to older women. In addition to Dr. Burk, collaborators included Gloria Y. F. Yo, Ph.D., and CheeJ. Chang, Ph.D., both of the Albert Einstein College of Medicine, Bronx, N.Y.;and Robert Bierman, M.D., and LeahBeardsley, N.P., b...From The Home Front To The River Front, USGS Updates Water-Quality Information
... Follow-up to this reconnaissance is needed; it is uncertain whether bacteriological contamination of well water is caused by inadequate protection of wells from surface runoff, septic-system failure, application of animal manure to fields, or a combination of these and other causes. * ...... prospects for population assistance to Africa are uncertain because U.S. leadership on population and reproductive health in the region is slipping , according to the PAI study. Worldwide, U.S. funding for population programs is now 30 percent lower than in 1995. In Africa, the U.S. Agency for International ...News Backgrounder: Duke Primate Center Successfully Fosters Mysterious Aye-Ayes
...ceived an official name sincehis survival remained uncertain -- began with a round-the-clock feedingschedule. Every two hours, Primate Center veterinarian Cathy Williams and staffmembers took turns feeding the infant a concentrated version of a human infantformula through a nipple-tipped syringe. Willi...Cultured Neural Stem Cells Reduce Symptoms In Model Of Parkinsons Disease
...e enormous, such strategies havebeen limited by an uncertain supply of stem cells. Now, scientists have shownthat neural stem cells can be multiplied and raised to maturity in thelaboratory and that these cells can greatly reduce symptoms in an animal modelof Parkinson's disease. The study is the firs...Scientists, Philosophers Discuss How To Evaluate Data, Error
...he best way to quantifyuncertainty, and how should uncertain assessments be reported to policy makersor the gen...it is tounderstand and explain scientific data and uncertain inference are being calledupon to reflect together with statisticians, biostatisticians, ecologists,...Scientists Find New Clues About Fatal Childhood Disease, Ataxia Telangiectasia
...eagues. Until now, however, researchers have been uncertain about preciselyhow the protein produced by this gene works. "This is an important milestone in our attempts to understand ATM'sfunctions. It is also a step forward in our move from molecular genetics to thecellular biology of A-T," says Dr. ...New Study Highlights Hazards On Hormone Disrupting Chemicals
...n breast cancer also remains to beverified. It is uncertain to which extent humans and wildlife are exposed to levels highenough to causeadverse health effects. In Sweden, disturbed reproduction has been reported infish, predatory birdsand fish-eating mammals. The documented effects have in most cases beencor...Combat Has Little Influence On Health Problems In Vietnam Vets
... associated with combat involved theskin. Eisen is uncertain why combat veterans report a higher incidence ofdermatologic problems, but he says it raises the issue that further study isneeded. The study also suggests to Eisen that if emotional distress from combatcontributes to the development of physi......nogenicity in maleand female mice, while there was uncertain or no evidence of carcinogenicity inrats; and glutaraldehyde, a disinfectant, preservative and fixative used inembalming fluid and tanning material for soft leathers. The studies indicatedthere were no carcinogenic effects of this chemical in eit...Low Birth-Weight Risk Begins Early
...l abnormalities. They alsoexcluded women who were uncertain about their conception dates or who had notreceived their first prenatal care until the second or third trimester. Theanalysis was then focused on the remaining 4,229 pregnancies. Electronic calipers were used with each ultrasound image to measure...Bird Dads Suffer Infidelity But Bring Up Baby
...ggs and then, as single parents, to raisechicks of uncertain paternity for two more months. The females, meanwhile, were copulating with other males. Jacanas arepractically unique among vertebrate animals, in that females pair simultaneouslywith a harem of males (a mating system called polyandry) and the mal...Benefits Are Likely From Vitamin B-6 In Premenstrual Syndrome
...eviously conducted trials, the quality of which is uncertain and therefore the authors call for further research to corroborate their findings. Dr Katrina Wyatt and colleagues from North Staffordshire Hospital along with Keele University set out to ascertain the efficacy of vitamin B-6 in light of recent UK go...Primate genus sheds light on great ape and human origins, as reported in Science
...torius ' exact relationship to later apes is still uncertain at thispoint, but the genus generally fits the description of a "stem hominoid", one ofa cluster of species positioned somewhere on the evolutionary ladder near theorigins of the ape group. Stem hominoids are considered too primitive to be thedirect ...Microbes in basalt thrive on mixed diet of toxic waste
...play a role inmetal-ion reactions. It was uncertain which microorganisms might be involved in a biologicalreduction mechanism and what metabolic processes were important, however. Analternate, chemical-mechanism hypothesis proposed that metal oxides such as ironoxides in basalt could help catalyze red...Mothers' depression may induce earlier puberty in daughters
...les growing up in adverse family environments with uncertain futures may have reliably increased their reproductive success by accelerating physical maturation and beginning sexual activity and reproduction at a relatively early age," said Ellis. Animal research -- suggesting that chemicals known as phero...Saving the whales -- how scientists measure success
...ly supported by 11 years of data, but precariously uncertain with fewer than 10 years of data," said the authors. Depletion of whale populations is mainly the result of commercial whaling ending sometime between the 30s and 80s. The authors state that "only the eastern North Pacific population of gray whales ......lcohol abuse. "The scientific community is still uncertain about how exactly alcohol causes intoxication, tolerance, and dependence," said Marc J. Kaufman, assistant professor of psychiatry at Harvard Medical School and associate research pharmacologist at McLean Hospital. He explained that researchers beli...