Tag: "decline" at biology news

Doernbecher Children's Hospital scientist earns coveted Javits award

... reverse brain damage ininfants but slow cognitive decline in aging adults as well," said Back,associate professor of pediatrics and neurology, Doernbecher Children'sHospital, OHSU School of Medicine. Back's research looks at the mechanisms responsible for causing whitematter brain injury in developing inf...

Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless

...ecrease slightly although researchers believe that decline was due to random variation. This is the first clinical study to show proof that chemicals in green tea can increase detoxification enzymes in humans, Chow said. There may be other mechanism in play by which green tea may protect against cancer dev...

Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease

...ay in brain plasticity, degeneration and cognitive decline using a novel magnetic resonance imaging (MRI) methodology called virtual-dot-com that allows for a greater sensitivity and specificity of the brain than conventional MRI. Olivier Boutaud, Ph.D., Research Assistant Professor, Vanderbilt Universi...

Grapes, soy and kudzu blunt some menopausal side effects

...unt hypertension, insulin resistance and cognitive decline when estrogen is not present in female rats. According to Dr. Wyss, It is unlikely that these polyphenols could eventually provide effective stand-alone therapy for post-menopausal women, but in the future they may provide effective adjunct therapy t...

Inflammation may cause preterm labor and fetal deaths

... can be blocked, the number of preterm deaths will decline by nearly half. Yiping Han along with Hongqi Lui from the Case Western Reserve dental school and Raymond Redline from the Case medical school report results from their investigation, TLR4 promotes F. nucleatum-induced fetal death in mice, in the Jo...

Secret life of elephant seals not secret anymore!

...ific seals prefer to feed in the sea ice zone, the decline in sea ice may have contributed to the decline in those seal populations, added Dr Rintoul. ...

Indo-Pacific coral reefs disappearing more rapidly than expected

... disappearing at a rate of one percent per year, a decline that began decades earlier than expected, the rese... and unprotected reefs. This consistent pattern of decline across the entire Indo-Pacific indicates that coral loss is a global phenomenon, likely due in part ...

Genetic analysis finds greater threat in frog-killing fungus

...University of California, Berkeley. The dramatic decline of the mountain yellow-legged frog over the past s...er epidemic spread nor endemism alone explains the decline of these frogs. "We found sites dominated by a single fungal genotype, which suggests a recent spr...

Presence of wolves allows aspen recovery in Yellowstone

...cument significant aspen growth, a tree species in decline all over the West. Weve waited a long time to see ...t www.cof.orst.edu/cascades The issue of aspen decline in the American West is huge, and their recovery will depend on local conditions and issues in many ...

Humboldt squid on the move

...ronically, these squid may have benefited from the decline of large tuna and billfish in the Equatorial Pacific, which previously preyed upon and competed with the Humboldt squid for food. This biological shift is documented in an article by postdoctoral scholar Louis Zeidberg of Stanford University and seni...

Other highlights in the July 24 JNCI

... screening and hormone therapy use, while a recent decline in incidence was consistent with a drop in hormone... report showed the first statistically significant decline in breast cancer incidence in 2003. Over this period, rates of hormone therapy use and mammography s...

Bumblebees make bee line for gardens, National Bumblebee Nest Survey finds

... declined dramatically over the past 50 years. The decline is thought to be linked to the impact of modern farming methods on bumblebees' food plants. But as well as food, bumblebees need nesting sites for queens to start new colonies in spring. Gardens are attractive nest sites for bumblebees for many rea...

Effects of aging in stem cells

...ed genetic insults, these results link age-related decline to global mechanisms operating across the genome. In the researchers epigenetic view of aging, chromatin dysregulation provides a logical explanation for the numerous and diverse age-related changes observed at the molecular, cellular, and organismal...

Pediatric ritalin use may affect developing brain, new study suggests

...s happens in humans -- Ritalin use was linked to a decline in weight. "That correlates with the weight loss sometimes seen in patients," Dr. Milner notes. And in the "elevated-plus maze" and "open field" tests, rats examined in adulthood three months after discontinuing the drug displayed fewer signs of a...

Better sleep may put Huntington's disease sufferers back on track

...ormal sleep-wake activity could slow the cognitive decline that is such a devastating feature of the disease. Dr. Jenny Morton, lead author of the study, said: In the future, more attention should be paid to understanding sleep and circadian disturbance in HD. Management of these patterns may not only impr...

Aphids make 'chemical weapons' to fight off killer ladybirds

...op wings. Those aphids that grow wings see a rapid decline in the amount of glucosinolates they store from the time wing buds start to develop. Dr Glen Powell from Imperial College Londons Division of Biology, one of the papers authors, explains: Our study seems to show that aphids that develop wings ceas...

New blood test might offer early warning of deep belly fat

...ication, or gastric banding surgery also lead to a decline in RBP4 levels. Serum RBP4 concentrations in humans also correlate highly with waist-to-hip circumference ratio (an estimate of intra-abdominal fat mass), waist circumference, and percent trunk fat. Those findings suggested that the amount of visce...

Loss of hemlocks will affect water dynamics in southern Appalachian forests

...lachian region, is already experiencing widespread decline and mortality and may be decimated by the hemlock woolly adelgid (a tiny nonnative insect) within the next 10 years. As a native evergreen capable of maintaining year-round transpiration rates, eastern hemlock plays an important role in the ecology a...

Climate change reduces Queensland's bat numbers

...rtinez said. These bats are insectivores and their decline could be due to a reduction in their food sources in response to climate change thats something Ill be investigating further. Its important to understand what has happened to bats in the past to more accurately predict what could happen in the futur...

Male or female factor infertility -- men suffer just the same

...me. Couples should be made aware of the possible decline in their social support network and encouraged to organise support systems that no not solely include close friends and family. Counselling in the early stages of infertility is not often a desirable option for couples, and especially for men, say ...

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(Date:5/17/2013)... Bethesda, MD The Federation of American Societies for ... of National Institutes of Health (NIH) funding trends highlighting ... to support critical research. The FASEB analysis follows a ... Francis Collins, MD, PhD, who testified that the $1.6 ... to sequestration is "having a substantial impact on the ...
(Date:5/16/2013)... HOUSTON African-American adults living closer to a fast ... than those who lived further away from fast food, ... Anderson Cancer Center, and this association was particularly strong ... new study published online in the American Journal ... residential proximity to a fast food restaurant, and among ...
(Date:5/16/2013)... 16, 2013 The relationship between the heritable ... not been clear. Schizophrenia is commonly associated with ... are clues that reduced IQ may be linked ... reduced cognitive ability may precede the onset of ... in healthy relatives of people diagnosed with schizophrenia. ...
Breaking Biology News(10 mins):Body mass index of low income African-Americans linked to proximity of fast food restaurants 2Body mass index of low income African-Americans linked to proximity of fast food restaurants 3Genetic risk for schizophrenia is connected to reduced IQ 2
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