Tag: "ages" at biology news

NSF establishes center for biophotonics at UC Davis

...cs Science and Technology," for children and youth ages 5 to 18. This curriculum will offer hands-on science activities promoting scientific inquiry and concept development. UC Davis will develop undergraduate and graduate courses in biophotonics, including a new mentoring program called "shadow a scient...

November GEOLOGY and GSA TODAY media highlights

...ves provide, for the first time, precise numerical ages for the Late Cretaceous Titanosarcolites limestone...ocene boundary is currently debated, and suggested ages vary by more than a million years. The age of this boundary in the Cape Roberts project core was est...

Disease-causing genetic mutations in sperm increase with men's age

...entists studied sperm from about 60 men of various ages and looked for two genetic changes responsible for 99 percent of the cases of Apert syndrome. They found that men over 50 were, on average, three times as likely as men under 30 to have sperm with at least one of these changes. The mutations were not...

Light to moderate drinking during pregnancy can affect adolescent growth

...l, academic, and physical status. Furthermore, at ages 10, 14, and 16, we have additional measures of the children's pubertal maturity, neuropsychological status, cognitive and behavioral development, affect, academic performance, psychiatric status, delinquent behaviors, substance use, and the substance...

COX-2 inhibitors may delay onset of breast cancer

...dence of breast tumors was lower at all subsequent ages for the celecoxib-treated mice relative to control mice. This protective effect was achieved at drug levels that can be safely administered in humans. The study also showed that MMTV/neu mice express COX-2, which is overexpressed in HER-2/neu pos...

New physical activity opinion survey demonstrates perceptions do not meet reality

...e lack of physical activity among Americans of all ages is so critical, it is considered to be a major hea... average 3.9 exercise sessions per week. Teens ages 12-17 say that on average, they participate in physical activity for at least 30 minutes, 4.2 times ...

If you booze, you lose: Even small amount of alcohol affects driving skills

... Maurice Dennis tested 19 men and women of various ages and ethnic backgrounds performing driving skills at different blood alcohol concentrations (BACs). Dennis and his team measured blood alcohol concentration throughout the driving test. Impaired driving skills were expected by those drivers who had ...

Flexible joints associated with chronic fatigue syndrome, researchers find

...S," Rowe says. Researchers examined 116 children, ages 10 and older, for joint hypermobility. The test group was split evenly between patients diagnosed with CFS and otherwise healthy children. Joint hypermobility was graded on the degree to which a patient could bend the pinkie finger back beyond 90 deg...

Islet cell transplantation for diabetes turns corner

...ls to 12 children with type 1 diabetes between the ages of 11 and 17 and did not administer any immunosuppressive drugs to protect the cells from being rejected. Six of the 12 patients have functioning grafts, and subsequent to receiving additional transplanted islets at 20 weeks, they have demonstrated i...

Smoking pot alters more than mood human immune system affected, USF/UCLA study finds

...unteers -- including 10 chronic marijuana smokers, ages 22 to 46, participating in lung and immune function studies at UCLA. The marijuana smokers denied use of any other drugs, and the nonsmokers denied all illegal drug use. Because no accurate way yet exists to directly study the expression of canna...

Macarthur Award winning physiologist to present Scholander Award and lecture

...ear unrestricted grant for "individuals across all ages and fields who show exceptional merit and promise of continued and enhanced creative work." Dr. Black's contributions to science have advanced the understanding of movements and the physiological ecology of tunas and billfishes, resulting in a new i...

Mother (nature) knows best

... were divided into three groups: SHRs of various ages were used: the three month old group, where the genes that trigger hypertension are fully expressed. This is then called the early hypertensive stage; the six month age group, labeled the mid-hypertensive stage; and the nine month age group, called ...

Not drinking cows' milk blamed for children's fractures

...one density study, a group of children between the ages of three and 10 years, who had avoided cows' milk for a period of four months or more, were examined. The research found that almost 50 per cent of the group had already suffered one or more fractures. Postgraduate human nutrition student Ruth Black,...

Study identifies hypertension patients who can benefit from the little used diuretic amiloride

...and hypertensive patients. Volunteers were between ages 19 and 70 and were recruited from the University of Alabama-Birmingham Hypertension Clinic. Blood samples were taken from subjects diagnosed as normotensive (unmedicated blood pressure 140/90 mmHg despite ongoing therapy with three or more anti-hyp...

Tips from the Journals of the American Society for Microbiology

...olonized and noncolonized individuals of different ages and health status will advance our understanding of oxalate metabolism in the human gastrointestinal tract, and may ultimately provide practical approaches for the prevention or alleviation of hyperoxaluria," say the researchers. (S.H. Duncan, A.J. R...

Without fire, red pines could disappear, model shows

...k the red pines?" Taking into account the species' ages and life histories, as well as forest composition, climate and soil, Scheller used the landscape simulation model LANDIS, which was developed at UW-Madison, to predict what might happen across the entire area if fire was reintroduced. Specifically, S...

Industrial fishing threatens sharks, dolphins, billfish

... fish tend to mature and reproduce at much earlier ages than the non-target species like sharks and dolphins, their populations are able to withstand relatively heavy fishing pressure. However, increased fishing pressure would very likely cause strong declines, especially for the already very heavily fis...

Biomarkers of aging news advisory

...investigators compared more than 700 healthy men*, ages 19 to 95, who participated in the Baltimore Longit...inal Study of Aging (BLSA) with 60 rhesus monkeys, ages 5 to 25. The men were divided into two groups, based on whether they were in the upper or lower halv...

New clinical trials explore treatment to restore sexual desire

...study must meet certain criteria: Be between the ages of 20 70 Have had one ore more ovaries removed or naturally past menopause Have a decline in libido, and are distressed about it Are using estrogen replacement therapy Are in a stable, monogamous relationship The studies last from 24 to 52 weeks, d...

One gene, two eye diseases?

...e course of the disease in families with different ages of onset, researchers may find common features or genetic clues that apply to both forms of macular degeneration. Ayyagari notes that the patients in the study had a form of macular degeneration that is similar to the most prevalent form of the disea...

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