Tag: "age" at biology news
Allelix drug increases bone density and content in women with osteoporosis
...tmenopausal osteoporosis. The women, who rangedin age
from 50-75, gave themselves daily subcutaneous inj...at ALX1-11 does. ALX1-11 was tested as part of the age
related experiments conducted by NASAduring the Space Shuttle Discovery mission that launched Oct. 2...
Columbia Researchers Synthesize Compound With Possible Link To MacularDegeneration; Work Is Critical To Pinpointing Causes Of Disease, Scientists Say
... ofa derivative of vitamin A that accumulates with age
in human eyes and maycontribute to the onset of ag...ly 1.7 million of the 34 millionAmericans over the age
of 65 and is the leading cause of blindness in that agegroup, according to the National Eye Institut...
Common Cannibals, A New Study Examines The Role That Intraspecific Predation Plays In Determining The Dynamics Of A Population
...es ofcrabs, fish and copepods can result in skewed age
distributions among theirpopulations. Other studies have also drawn conclusions about flour beetle cannibalism. Butthis most recent study is the first to empirically examine the cannibalisticinteractions of the species throughout all the stages of i...
Study Associates Asteroid Or Comet Impact With Extinctions In Argentina
...an as a simple project to determine the origin and age
ofthe escorias. However, the work identified a series of coincidences thatstrongly suggest a major, ecosystem-altering event took place relatively recently, geologically speaking, he said....
New Gene Therapy Strategy Keeps Muscles Strong In Old Age: Possibilities Seen For Disease Treatment, But Also For Athletic Or Cosmetic Enhancements
...at could reverse the feeblenessassociated with old age
or counter the muscle-wasting effects of musculard...ossible to preserve muscle size andstrength in old age
using this approach," says H. Lee Sweeney, PhD, professor ofphysiology and senior investigator on th...
Low Birth-Weight Risk Begins Early
...ses (beyond eight weeks) that were small for their age
during the firsttrimester were twice as likely to ...utrition and healthcare for women of child-bearing age
who are likely to become pregnant. Waitinguntil after conception to prepare for motherhood might be...
UI Researchers Find Potential Gene Therapy For Cystic Fibrosis
...the life expectancy of a person with CF.The median age
of survival for a person with the disease is 31 years. CF is caused by the malfunction of an ion channel that regulates secretion ofsalt and water that protect the lungs. A specialized protein, known as the CFtransmembrane conductance regulator (CFTR...
Biotech Creates New Solutions And New Problems
...ticidal protein, and partly because as crop plants age
they mayproduce lower amounts of the Bt protein. Minor failures have occurred over the past three growing seasons. InTexas, corn earworms with high tolerance to the Bt toxin Cry1Ac invaded somefields of Bt-cotton, virtually destroying the cro...
Jackson Laboratory Researchers Identify Neuromuscular Degeneration Gene
.... SMA has three majorchildhood forms classified by age
of onset. Most forms are genetic, and at leastone ...n ALS and SMA because of observed heterogeneity in age
of onsetand/or severity of symptoms. The Mnm locus is in a mouse chromosomal region that sha...
American Heart Association Announces Top 10 Research Advances For 1998 -- Gene Therapy Among The List
... heart disease or lung cancer than men of the same age
who did not smoke. For men who smoked 10 or more ...t twice as many individuals 65 years and older, an age
range when heart attack and stroke are more likely to occur. Therefore it may seem as if death rate...
Elevated Blood Levels Of Inactive TPA Linked To Increased Stroke Risk In Young Women
... Stroke Prevention in Young Women Study, 59 women, age
16 to 44 years, whohad a diagnosis of a first stroke, were matched with 97 women who had not had astroke. The women were divided into four equal size groups depending on theirblood level of TPA antigen. Those in the group with the highest blood lev...
Fossil Eggshells Hold Clues To Major Animal Extinctions As Reported In Science
...the actual timing of the event, largely becauseits age
pushes the limits of radiocarbon dating. Miller's ...ogether a composite picture of the fossils in this age
group," Miller said....
UF Researchers: Gene Therapy Replaces Critical Protein In Animal Model Of Often-Fatal Lung-Liver Disease
... damage has caused profound disability. The median age
ofsurvival is 54. Flotte said two properties set the adeno-associated virus apart from otherviruses used in gene therapy research: It infects nondividing cells (thevast majority of the body's cells are nondividing) without detectable sideeffects, e...
Bacteria Becoming Increasingly Resistant To Antibiotics, But New Vaccines Are On The Horizon
...bacterial meningitis in children 1 to 23 months of age
in the United States." "It's absolutely necessary to educate the public and practitioners regarding this problem and the contributing factors," Dr. Arditi said. "I thinkcontrolling antibiotic usage in an outpatient setting to prevent furtherincrea...
AAAS Report Attributes Majority Of Killings In Guatemala To State
...en urban and rural areas, andseeing changes in the age
and sex distribution of the victims, we must concludethat indiscriminate mass killing became official state policy in 1982-1983,"Ball said. The report makes a number of analytic comparison on such topics as methods ofterror, urban versus rural violen...
Study: Calcium Supplements Appear To Protect Against Colorectal Cancer
...three-quarter of whom were men, averaged just over age
60. TheNational Institutes of Health supported the new study....
New England Journal Of Medicine Reports Calcium Supplements Help Prevent Polyp Recurrence; DMS Led Study
...new which treatment they were taking. The average age
of the participating patients was 61 years; 72% were men. Patients underwent two colonoscopies to view inside the large bowel and assessthe effects of calcium. The reduced risk with calcium supplementation, alreadyapparent at the first colonoscopy, ...
Study Affirms Value Of Non-Surgical Treatment For Arrhythmia
...n consisted of439 males and 561 females ranging in age
from eight months to 90 years. Amongthe group, 133 (13 percent) were younger than 13 and 193 (18 percent) werebetween 13 and 20 years old. Underlying heart disease was present in 270patients. Results showed that catheter ablation could b...
Rare Fossil Shows Theropod Dinosaurs Are Fast, Dangerous 'Turbocharged' Reptiles
...rm climate, which most of the world had during the age
ofdinosaurs. When the climate turned colder or more seasonal variation developed,what had once been the advantage of the dinosaurs became their problem." Adds Geist, "A lot of people who only see cold-blooded reptiles movingslowly in tempera...
Rare Fossil Shows Dinosaurs As Fast, Dangerous
...ble climate, which most of the world had duringthe age
of dinosaurs. When the climate turned colder or more seasonal variationdeveloped, what had once been the advantage of the dinosaurs became theirproblem." The lungs and other structures found in this dinosaur fossil bearslittle similarity to t...
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