Tag: "age" at biology news
Researchers Investigate Years Before Menopause
...ding tomenopause. Smoking is thought to lower the age
of menopause, while the effectsof hormones from birth control pills and replacement therapy are unknown. The researchers include Wood; Kathleen O'Connor, post doctoral traineeand Dr. Darryl Holman, postdoctoral fellow in Penn State's Popula...
Age-Based Screening Is Cost-Effective Method To Control Chlamydial Infection
Screening all women younger than 30 years of age
may be the most cost-effectivemethod of stopping o...y also suggest: (1)testing women 20 to 23 years of age
who have not consistently used barriercontraception or have had a new sex partner or more than one s...
26 National Alzheimer's Disease Centers Collaborate On Study Of The Utility Of Genetic Testing For Alzheimer's
...en in people who exhibit signs of thedisease after age
65. One of three forms of ApoE, E4 has been assoc...n and 1,080 men submitted by theADCs. The average age
of the study participants at diagnosis was 72 and theaverage age
at death was 77. Ninety-seven perc...
Leftover Fetal Cells May Affect Development Of Scleroderma
... scleroderma patients with onset of disease around age
40, sevenhealthy sisters of these patients and 16 healthy unrelated women who served ascontrols. In collaboration with co-author Diana W. Bianchi, M.D., Dr. Nelson's team used asensitive assay known as polymerase chain reaction (PCR) to look for a ...
Biologists Map First Gene For Age-Related Hearing Loss In Mice
...e human population suffersfrom hearing loss by the age
of 80, the long-term goal is toidentify the specific causes of age-related hearing loss inhumans....
National Studies Reveal Why Pet Owners Take Animals To Shelters And How Many Find New Homes; Statistics Point to Epidemic
...dertheir animals to shelters are under 30 years of age
and that more dogs are takento shelters than cats ... of respondents--62 percent--were under 30years of age
and 52 percent had at least finished high school. A third and final study, expected ...
Hultgren Receives Prestigious Eli Lilly Award
... Award. The award ispresented to a scientist under age
40 who exhibits great potential andaccomplishment. Hultgren was born in Michigan City, Ind., and he obtained his bachelor'sdegree from Indiana University in Bloomington in 1981. After receiving hisdoctorate from Northwestern University in Chi...
New Dating Technique May Revise Geologic Time Scale
A new technique to determine the age
of sedimentary rocks could refinethe geologic time scale and provide new insight into global sea levelvariations, according to a study in the March 6 issue of Science. A team of researchers at the University of Toronto and the Universit P.et ...
Federal Food Aid Makes Healthier Children
...ercent of low-income preschoolers under 2 years of age
suffering from anemia," Habicht says. "Zinc is also particularly important because other studies suggest that zinc deficiencies are related to growth retardation," he says. In the article, the researchers noted that iron and zinc levels were well bel...
Age Of Bacterial Meningitis Patients And Subtypes Of Disease Have Changed
Substantially Within Past Decade
...stant, the incidence of disease in adults over the age
of 17 increased from29% of cases in 1989 to 54% of cases in 1996. In contrast, the incidence inchildren less than four years old decreased from 61% of cases in 1989 to 46% ofcases in 1996. Meningitidis serogroup Y was not detected in 1989-90, but i...
American Heart Association Comment: Sodium Reduction And Weight Loss In The
Treatment Of Hypertension In Older Persons
...rticularly relevant because older people, by their age
alone, are already athigher risk for heart attack ...tivethan either alone. About 50,000,000 Americans age
6 and older have high blood pressure. Surveysconducted in the early 1990s showed an estimated 2.2 m...
Vitamin D Deficiency Appears Common In Hospital Patients
...tors for vitamin Ddeficiency -- factors like being age
65 or over, being housebound or in a nursinghome, having certain chronic illnesses or taking certain drugs -- 32 patients (41percent) were deficient in vitamin D. Patients with lower vitamin D levels alsoshowed higher levels of parathyoid hormone, w...
Mouse Gene Reveals Clues To Human Deafness
...aring loss, and 11 unaffected relatives older than age
40. Vahava determined the chromosomal loca...rhearing, since hearing is normal until around the age
of 18. But then, hearingbegins to deteriorate, so that by the age
of 40, affected individuals cannot...
Sex Differences In Heart Disease May Be Due To Enzyme That Breaks Down Fat
... characterizes men, when compared to women, before age
55. The researchcould suggest new ways to intervene to reduce that risk, he says. In the study, scientists tested 25 men, 21 to 59 years old, and 39pre-menopausal women, 21 to 51 years old. Both groups had normal cholesterollevels. Hepat...
Wake Forest Study Shows Soy Containing A Key Ingredient Is What Lowers
... 24pre-menopausal women, and 94 men, whose average age
was 52. The average totalcholesterol was 241, which is considered moderately elevated. The average LDLcholesterol was 164, also moderately elevated. "Overall the soy product was extremely well tolerated and no participantdropped out of the st...
Vascular Surgeons Test New Treatment For Abdominal Aneurysms
...s, aneurysmsoccur in more than 5 percent of people age
60 and older. The incidence ishigher among smokers, although aneurysms usually occur as the normalwear-and-tear aging process weakens the arterial wall. Sometimes they resultfrom trauma or acute or chronic infections. They can be fatal if they leak...
Research: Breast Cancer Gene Screening Not Warranted For All
...ancer who were not selected on the basis of their age
at diagnosis or theirfamily medical history to develop a better estimate of how common mutations inthe gene were. Included were 211 N.C. breast cancer patients, ages 20 to 74, and188 women without the illness who served as controls. About half the su...
New Study Of BRCA1 Shows No Need For Widespread Screening Of American Women
... They were asked to participateregardless of their age
when diagnosed, or the incidence of breast cancer ...cs involves complexinteractions of family history, age
and genetic history, all of which should betaken into account when considering genetic testing or in...
Chromosomal Abnormalities Key For Prediting Leukemia Outcome
...to the journal Cancer . The 628 patients, median age
49 years, hadprimary AML that was diagnosed between 1980 and 1982. Median survival of the patients was 7 months, although survival variedsignificantly according to the chromosomal abnormalities present. For example,patients whose leukemia cell...
Research Finds That Watching TV Helps Kids Put On Pounds
...matic drop in physical activity amonggirls as they age
from 11 to 16. While this may be due, in part, to changinginterests and social demands, the study shows the need for parents and healthcare providers to encourage all adolescents to remain physically active. Thefact that American children are gettin...
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