Menstrual Phase Linked To Ineffective Mammograms
...ammogram while in the luteal phase were twice as likely to have a false-negativemammogram compared to wo...usly theoverall benefit of screening programs is likely to be reduced," explains Baines. "Our study shows there is an opportunity to improve the accuracy ...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...gh middle-age African Americans arefour times more likely than whites to suffer from strokes. "For whites it will soon be recognized as one of the big risk factorsfor the development of atherosclerosis," said Dr. George Howard of the BowmanGray School of Medicine of Wake Forest University. "It's not...Jefferson Scientists Find Potential Deadly Effects Of Two Missing Cancer-Suppressor Genes
...ene is missing, mice--and people--are much more likely than normal to develop cancer. When two such genes are absent or defective, the thinking goes, the likelihood of cancer development would be greater still. P53 is the most common known genetic defect in human cancers. It may contrib...Maternal Lead Exposure Linked To High Numbers Of Cavities
Exposure to high amounts of lead is likely one cause of thehigh rates of tooth decay found am...me that scientists havepinpointed breast milk as a likely route of lead transfer frommother to offspring, and that reduced saliva flow has beenimplicated as a...Early Menarche Puts Young Girls In Peril
...s girls. Brumberg points out that girls today are likely to be sexually active before the age at which their great-great grandmothers had even begun to menstruate. She compares the Victorian view on menarche with today's and chronicles the diminishing mother-daughter dialogue, the disappearance of single-......dhury said. ACIAR have estimated that the minimum likely benefits from the researchwill be $7 billion to $8.6 billion worldwide with the benefit to Australiaestimated at $16 million to $19 million....Hunt For Early Heart Attack Genes Begins
... attacks at an early age. Because heartdisease is likely to have various genetic causes, enrolling such a large studypopulation will help the scientists hunt for several genes at the same time,notes Breslow, Frederick Henry Leonhardt Professor and a senior physician at TheRockefeller University Hospital. ...Largest Tyrannosaur Fossil Unearthed In Montana
...d to Notre Dame to begin the fall semester. He is likely to visit the site soon to assess the damage done in his absence. Situated in the picturesque badlands of eastern Montana, the site liesin the Hell Creek, a geological formation famous for preserving dinosaur bones. The bones date from the en...Researchers Find Association Between Alzheimer's Gene And Mental Impairment After Cardiac Surgery
...mental impairment after open heart surgeryare more likely to carry the gene that predisposes people to Alzheimer'sdisease. While up to three-quarters of all heart surgery patients experience somedegree of cognitive impairment following surgery using heart-lung bypassmachines, patients with the Alzheimer's-...Study: Hydrogen Bonds Aren't Key To DNA Pairing After All
...al Academy ofScience , suggests that it's now more likely than ever thatthe distinctive shapes and sizes of each of the four DNA basesunderpin the impressive 99.99-percent accuracy of DNA replication. Like a space in a jigsaw puzzle that can be filled only by the one piece with a matching shape, only one ba...Bowman Gray Scientists Find Novel Way To Block AIDS Virus
...ease progression. "This intrakine strategy likely is superior to currently describedanti-HIV approaches," said Chen, for two main reasons: The intrakine approach is aimed at preventing virus entry into the cell,rather than interfering with virus multiplication. Therefore, the lymphocytesprotected ...Competitive Inhibition May Enhance Safety Of Minimally Processed Fruits And Vegetables
...abolic response to them. "Biocontrol cultures will likely be product specific, as growth of bacteria inplant materials may be affected by the availability of nutrients and naturallypresent inhibitors," Breidt and Fleming wrote. Washing procedures, including the addition of chlorine or other compounds to t...Disease Takes Its Toll On Waterfowl Populations
...us disease of waterfowl in North America and quite likely the world. The disease can produce massive annual mortality; during this year's fall migration, Canadian biologists are estimating the losses at one southern Saskatchewan lake to be as high as 300,000 to 500,000 birds. Also this year, at the Bear...Colorado State Anthropologist Finds Fossil Treasures In Africa
...time between 100,000 and 3 million years ago. Most likely used by owls and other mammals to eattheir prey, the cave is so rich with fossils it's called Bone Cave. Waddle and the other researchers believe the find can help fill the gap in the fossil record of Botswana, an area that has not been amajor focus...Hormonal Changes At Puberty Can Mask High Cholesterol In Blood
...esterol screen at age 13, a falsely low value will likely result. Thosechildren will definitely have to be screened again after reaching youngadulthood," says Kwiterovich. The Dietary Intervention Study in Children study found that sexual maturationhad the most powerful influence on cholesterol in boys and ...Herpes Virus Strain Identified As A Trigger In Multiple Sclerosis
...s widely from patient to patient andwomen are more likely to be affected than men. The most common form of MS isthe relapsing-remitting type. In this type of MS, new symptoms appear orexisting ones become more severe, followed by periods of partial or totalrecovery. These flare-ups of new or intensified ...Biological Clocks No Longer Found Only In The Brain
...sponse to light, suggesting that circadian rhythms likely regulate a fruit fly's sense of smell, much as they influence light and pain sensitivity in mammals. While the authors raise the possibility that this evidence challenges the current notions about the role of the brain as the seat that coordinat......nto replace western red cedar and hemlock. "We are likely to have more forest fires of increased severity. Cedar is especially susceptible to fire and drought. In fact there is evidence to show cedar is not regenerating well in some areas now," Mathewes says. He says the forest industry has already taken no...