Tag: "decline" at biology news
Hypothesis linking flying foxes to high incidence of ALS/PDC gets boost from new study
...0 times higher than the rate of ALS elsewhere. The decline
in the incidence of ALS/PDC among the Chamorro mirrored the decline
of the population of flying foxes (a type of bat), by the 1960s and 1970s. Researchers report in the...
Measles on the rise as vaccinations fall in the UK, Science study reports
...es in England and Wales have increased following a decline
in infant vaccinations against the viral disease. A continued decline
in vaccinations may lead to increasingly large outbreaks of measles and the possibility of its reapp...
How old mice get bright again
...le in German . All of us experience a successive decline
in learning and memory capacities with ageing. In ... mechanism, which contributes to the age-dependent decline
in learning, memory and LTP. An intervention that selectively reduces the function of SK3 channels m...
Folic acid may have no immediate impact on Down Syndrome
...d 118,000 women afterward. They found virtually no decline
in the incidence of Trisomy 21 in relation to fortification. However, Ray explains that folic acid and vitamin B12 are essential for the proper development of genes, which lie in chromosomes and are copied as cells divide. He says it's possible that ...
Respiratory manifestations may be secondary to inflammation in cystic fibrosis patients
...r cause of sickness and death with the progressive decline
of pulmonary function attributed to a vicious cycle of airway infection and inflammation. There is now evidence that inflammation plays a pivotal role and may be present very early in life, even before the onset of respiratory manifestations. Backgr...
Can female adult obesity be stopped at birth?
...day 7. However, beginning on day 60, a significant decline
in body weight gain and food intake was observed i...fferent from the vehicle group. However, given the decline
in female adult body weight of the NPY treatment group, plasma leptin concentrations at this age in ...
Common treatment for depression is safe and effective for Alzheimer's patients
...e quality of life and seems to slow the functional decline
of Alzheimer's disease," says Constantine Lyketsos, M.D., professor of psychiatry and behavioral sciences at Johns Hopkins and lead author of the report appearing in the July 2003 issue of the Archives of General Psychiatry. The drug, called sertral...
More raccoons may mean fewer songbirds
...s as in the early 1980s. To see if the state-wide decline
in low-nesting songbirds is linked to the state-wi...es in the U.S. and Canada. Schmidt found that the decline
in low-nesting birds did coincide with the early 1980s rise in raccoons. Before 1980, the population...
US bald eagle counts continue to climb slowly
...s a fitting symbol of the new country in 1782. The decline
of the bald eagle throughout its range was largely the result of DDT residue accumulation in fish, which the eagles ate. Pesticide contamination caused thinning of eggshells, resulting in premature egg breakage and death of the embryo, as well as in ...
Manatee's cousin faces extinction on Tanzanian coast
...length and almost 900 pounds--has been in dramatic decline
since the 1970s. This decrease in population is th...h seagrass, the dugong's primary food source. This decline
has occurred in spite of the fact that the species has been nationally protected since 1970. On the ...
First descriptions of Indiana bat maternity roosts in the southern US
...e hibernation caves. When populations continued to decline
even after caves were gated to block access, resea...ernity roost locations as a possible factor in the decline
of the species. In 1999, researchers from Tennessee Technological University (TTU) found an Indiana...
Lose it or lose it
...AD at ages 70-79. This may be the result of weight decline
in pre-clinical dementia. "It's possible that overweight at ages 50 or 60 affected risk of dementia in these women," said Gustafson. "But we don't have that data in this group of women." It was not possible to establish a relationship between overwe...
Lead poisoning still threatens albatross chicks on Midway Atoll
...Wildlife Service showed approximately a 30 percent decline
in the northwest Hawaiian Islands between the years of 1992-2001." Many U.S. military bases around the world are being decommissioned and turned into wildlife refuges, so the problem could be more widespread than thought. "Any base painted before the...
Risk of ectopic pregnancies after IVF declines with age in women with tubal disease
...ered is why the risk of ectopic pregnancies should decline
with age in women with tubal disease. "There could be a number of explanations. It might be that the time elapsed between the tubal disease and IVF treatment was greater in older women and that perhaps the effects of the disease had started to recede...
19th century museum specimens help plan reintroduction of endangered tiger beetle
...Cicindela d. dorsalis, has undergone a precipitous decline
in the last 100 years. Once commonly found along sandy beaches from Massachusetts to the Chesapeake Bay, only one viable population remains north of the Chesapeake Bay on the island of Martha's Vineyard. As a result of their limited dispersal and dec...
Plant pathologists to discuss deadly oak diseases
... disease, insects, and weather. But today, a rapid decline
in population and an increased number of trees infected with deadly diseases has prompted plant pathologists to take a close look at this symbolic and highly celebrated tree. Reports of local and regional episodes of oak mortality, outbreaks of new ...
Of mice and memory
...etter. "We found that these drugs prevent the age decline
in memory," Thompson said. "These may be much more effective than antioxidants in humans." Baudry said human clinical trials will be the next step. "These drugs could eventually be adapted to fight almost any disease which has an oxidative componen...
Once weekly ENBREL significantly reduced rheumatoid arthritis pain, inflammation & improved function
...ntly leads to permanent disability and significant decline
in quality of life. ABOUT ENBREL ENBREL is the only fully human anti-TNF receptor approved for use to reduce the signs and symptoms of active arthritis in patients with psoriatic arthritis, and to reduce the signs and symptoms and inhibit the struc...
Is there an unexpected price for late night high tech excitement?
... secretion is higher in winter than in summer. The decline
of melatonin secretion with age has been blamed for the tendency to insomnia in the elderly. As in all advanced industrial nations, the number of Japanese using personal computers at night is increasing. A recent report from that nation indicated th...
Plant diversity threatened by climate change and buildup of greenhouse gas, study reveals
...duction in wildflower species and an eight percent decline
in plant diversity overall. The addition of excess nitrogen and other predicted climate changes caused diversity to plunge even further, the study found. "I was surprised how quickly we lost species over such a short time," said the study's lead aut...
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