Tag: "mortality" at biology news
Selenium Supplements Can Reduce Cancer Rates
...were "compelling" for overall cancer incidence and mortality
rates, Combs stressed. Of the selenium group, 69 ...ll, the selenium group experienced 18 percent less mortality
than the placebo group, and almost all of that difference was due to some form of cancer," said Comb...
Malnutrition Impacts Longevity Of Females More Than Males And Shows Gender Differences In Fruit Flies
...-span theories. "It was previously thoughtthat the mortality
curves for most species were more-or-less genetica...on Mediterranean fruit flies to producethe largest mortality
study of any non-human species and provided powerfulevidence that longevity is not genetically fixed...
Isle Royale Moose Continue Decline
...spring greenup, which resulted in additional moose mortality
from starvation. Dr. Rolf Peterson, a wildlife biologist at Michigan Technological University, conducts the annual survey for the National Park Service. Peterson notes that the park's moose population had grown dramatically over the past 15 years. Th...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...selves and their chicks. "The major cause of chick mortality
is starvation, often the result of a parent failing to return from a long foraging trip in time with food, " says Boersma. For the past 15 years she has been following the fortunes of the roughly half million birds at a 500-acre reserve at Punta Tomb...
Discovery Of Genetic Pathways May Provide New Ways To Combat Candida Infections
...poses a serious threat and is associated with high mortality
rates in patients undergoing chemotherapy. Candida is also a major cause of infection in hospitalized patients, especially those in Intensive Care Units, patients after major injuries or surgery, patients with burns, and premature babies. Physician...
Lethal Parasite Prime Suspect In Fish Kills At Salton Sea
...ad fish from locations where most of the bird mortality
was occurring. In collaboration with NWHC studie...astle disease, avian botulism and undiagnosed mortality
in eared grebes. Disease problems in fish have been less well defined, but infections with a t...
Disease Takes Its Toll On Waterfowl Populations
...h and Wildlife Service biologists report waterfowl mortality
from botulism has reached nearly 100,000 birds. M...Illinois. What is even more troubling is that the mortality
is continuing and may not end until cold weather drives the birds further south. Avian botulism is ...
MIT Biologists Identify Aging Mechanism
...eased to learn how closelyHamlet's phrase denoting mortality
-- the "mortal coil" -- portrays an actualmolecular drama. A drawing of ERCs in action shows that an aging yeast mothercell is full -- fatally full -- of little mortal coils. PREVIOUS WORK: THE FOUNDATION The MIT biologists' current resear...
Genetic Risk Factors For Anorexia Nervosa Sought
...norrhea, thesuspension of normal menstruation, and mortality
is approximately 20 percentover a 20-year period, demonstrating that anorexia nervosa can be a deadlydisorder. The University of Pennsylvania Medical Center's sponsored research ranksfifth in the United States, based on grant support from the...
USGS Scientists Implicate Exotic Parasite In Wisconsin Lake Bird Deaths
... to identifying causesand management responses for mortality
and morbidity in free-ranging wildlifethroughout the United States. As the nation's largest earth and biological science and civilianmapping agency, the USGS works in cooperation with more than 1,200 organizationsacross the count...
Study Finds Gene Is Associated With Higher Risk Of One Kind of Stroke Among African-Americans
... of all strokes), ICHs are much more severe,with a mortality
rate approaching 50 percent, Alberts said. "This study demonstrates that the e4 allele may be a strong predictor ofwhich African Americans are most likely to suffer from intracerebral bleeds,"Alberts said. The Duke team conducted gen...
Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
...d lung cancer incidence and cardiovascular disease mortality
rates. Associations should not be described as effects."The Cleveland study, part of a European Concerted Action Project, examined 750 people with atherosclerosis or blockages in the blood vessels of the heart, brain and leg. The individuals were y...
At Life's Most Sensitive Stage, Embryos Cope With Stress
...nail can sense when to lay the eggs so as toreduce mortality
of her progeny," Hofmann said. Lindquist's research has uncovered two unexpected ways that embryos restrictheat shock proteins. Her lab studies the fruit fly Drosophila, which has adramatic response to high temperatures - within an hour of exposure t...
Good Nutrition In Childhood Can Prevent Some Cancers In Later Life
(Childhood energy intake and adult mortality
from cancer: the Boyd Orr cohort study) Interest in the relation between underfeeding and reduced mortality
is long standing - it was shown 60 years ago that energy restriction, in an otherwise adequate diet,...
Amphibian Mortality Due To UV Radiation
...V-B)radiation from the sun can cause high rates of mortality
and deformity in somespecies of frogs and other am...y, Kiesecker said. For example, he foundincreased mortality
associated with a pathogenic fungus (Saprolegnia ferax)infecting some embryos exposed to UV-B, while...
Carbon In Boreal Forests: Temporary Or Permanent?
...ro. A mature stand is more susceptibleto increased mortality
from insects, diseases and forest fires, eventuallyreturning the carbon stored in vegetation and soils to the atmosphere. In turn,seedling regrowth begins a new cycle of carbon uptake. Human disturbances suchas harvesting and fire control add to the...
Concerns For Australian Sea Lion
...sy. "For example in 1996 at two colonies we found mortality
rates of 30 per cent and 50 per cent respectively." The following year mortality
decreased to only four per cent among Dangerous Reef sea lions but the worry is that we have no ide...
Rockefeller University Researchers Hunt For Type 2 Diabetes Susceptibility Genes
...mericans die each yearbecause of this disease. The mortality
and morbidity of diabetes are due to thecomplicati... andtreatment can diminish the morbidity and early mortality
associated with thisdisorder. The Rockefeller study seeks to recruit individuals with type 2...
New Insights Into The Enigma Of Lengthening Longevity
...d wisdom, which assumes an exponential increase in mortality
with age, death rates decelerate with...bstantial, largely unexplained reductions in human mortality
at older ages. And the rate of reduction has accelerated in most developed countries, e...
Relatives Of People with Colorectal Polyps Face Increased Risk For Colorectal Cancer
...py -- aflexible tube up the rectum -- we can lower mortality
by 70 to 80 percent.Sigmoidoscopy screens only the...copy, which checks the entire colon, mightdecrease mortality
further," says Dr. Neugut. But colonoscopy hasn't been morewidely used because it is difficult to pe...
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