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Current Population News and Events, Population News Articles.
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Liver problems will likely increase in adults
A new study indicates that liver scarring (or fibrosis), which can ultimately lead to liver failure, is fairly common. It was especially prevalent in individuals with diabetes or steatosis, the latter of which occurs when fat cells infiltrate the liver. (2015-08-18)

Teachers' health: Healthy heart, stressed psyche
As a result of their work, teachers suffer psychosomatic disorders such as exhaustion, fatigue, and headaches more frequently than other occupational groups. This has been shown by Klaus Scheuch et al. in a recent review article in Deutsches Ärzteblatt International, in which they analyze the health of teachers and the frequency of their illnesses. (2015-06-05)

New population genetics model could explain Finn, European differences
A new population genetics model developed by researchers at the University of Texas Health Science Center at Houston School of Public Health could explain why the genetic composition of Finnish people is so different from that of other European populations. (2015-05-11)

Will Mexico's aging population see cancer care as a priority?
Mexico is the second largest economy in Latin America -- and its population is aging rapidly. Researchers offer new predictions and suggestions for lessening the impact of Mexico's cancer burden. (2015-05-08)

The Oldest Old are changing Canada
In 1971 there were 139,000 Canadians aged 85 and over. By 2013 their numbers had risen to 702,000. The Oldest Old as they have become known today represent 2 percent of the total Canadian population. 'They are a demographic reality which has to be taken into account in formulating public policy,' according to Jacques Légaré, a demographer at the University of Montreal. (2015-03-20)

Will future population growth be limited by freshwater availability?
The global human population is growing faster than the water supply. Investigators recently analyzed various models and trends to assess both optimistic and pessimistic projections of future water use and shortages. (2015-03-16)

Falls in blood pressure and cholesterol have saved 20,000+ lives in England
Falls in blood pressure and total cholesterol staved off more than 20,000 deaths from coronary heart disease in England between 2000 and 2007, shows a mathematical analysis published in the online journal BMJ Open. (2015-01-22)

World population likely to peak by 2070
New population projections from IIASA researchers provide a fundamentally improved view of future population, structured by age, sex, and level of education, which differ from recent projections by the United Nations. (2014-10-23)

USC and fellow Pacific Rim universities to discuss issues facing Asia's older adults
Gerontology leaders from around the world will gather at the USC Davis School of Gerontology to discuss Asia's aging population during the 2014 Association of Pacific Rim Universities Research Symposium on Aging Sept. 14-17. (2014-09-11)

Research reveals New Zealand sea lion is a relative newcomer
The modern New Zealand sea lion is a relative newcomer to our mainland, replacing a now-extinct, unique prehistoric New Zealand sea-lion that once lived here, according to a new study. (2014-05-14)

Humans responsible for 62 percent of cougar deaths in re-established populations
The reintroduction of mountain lions across the mid-western United States has made species management an urgent area of research for conservationists. A report in the Wildlife Society Bulletin explores the fatal cost of human interaction with cougars and asks what state agencies can do to protect both species. (2014-03-03)

Orca's survival during the Ice Age
The most recent ice age may have been detrimental to the ocean's top predator, killer whales, and significantly affected diversity among living populations we see today. (2014-02-04)

The evolution of drug resistance within a HIV population
A new study published in PLOS Genetics, by Dr Pleuni Pennings and colleagues, found that in some patients a resistance mutation to a particular drug appeared in a single virus particle, which then rapidly proliferated until the entire viral population within the patient consisted of its progeny and was also resistant to the drug. In other patients the same resistance mutation occurred in multiple viral particles within a short window of time, which led to a more heterogeneous, but still drug-resistant, viral population. (2014-01-23)

A new definition for old age
Age is not just the number of years one has lived, argue IIASA population researchers. A new study from the group provides a set of tools for measuring age in all its dimensions. (2013-12-12)

This week in Molecular Biology and Evolution
On the road to our modern human lineage, scientists speculate there were many twist and turns, evolutionary dead ends, and population bottlenecks along the way. But how large were population sizes of common ancestors of the great apes and humans, and does the genetic analysis support the prevailing views of a great bottleneck in primate evolution? (2013-10-15)

Study looks beyond averages to track variability in a bacterial population
As a result of the variable nature of gene expression, genetically identical cells inhabiting the same environment can vary significantly in their numbers of key enzymes, which in turn results in strikingly different cellular behaviors. Researchers at the University of Illinois have captured some of this variability to identify several behavior sub-types in a bacterial population. (2013-07-29)

Are we pushing animals over the edge?
Species of mammals and birds are threatened with extinction as a result of rising human population density, according to a study published in Springer's journal, Human Ecology. The work is also the first to show that the exponential growth of the human population will continue to pose a threat to other species. In other words, there does not appear to be a threshold above which population growth would cease to have an incremental negative effect. (2013-06-19)

World population could be nearly 11 billion by 2100, UW research shows
A new United Nations analysis, using statistical methods developed at the University of Washington, shows the world population could reach nearly 11 billion by the end of the century, about 800 million more people than the previous projection issued in 2011. (2013-06-13)

Huddersfield scientist helps to reveal a link in the evolutionary chain
A study of European remains suggests the foundations of the modern gene pool were laid down in Neolithic times, around 4,000-2,000 BC as a result of the rapid growth and movement of some populations. (2013-04-24)

Respiratory burden 'high in ageing population'
People aged 85 years and over have a high burden of respiratory disease, according to new findings. The research has shed light on the health problems likely to be encountered by the ageing population. (2012-09-02)

Interacting mutations promote diversity
Frequency-dependent selection fosters the diversity of populations but does not always increase the average fitness of the population. (2012-06-28)

Whale population size, dynamics determined based on ancient DNA
Researchers compare ancient, modern whale DNA to investigate discrepancies between genetic data and historical estimates. (2012-05-09)

Significant global shortfall of trained eye doctors now and in future
Despite more than 200 000 eye doctors in practice around the globe, capacity is not keeping pace with the growing demands of aging populations and the current needs of developing countries, finds research published online in the British Journal of Ophthalmology. (2012-03-26)

Population age and inpatient care
The effect of population aging on the number of admissions to hospital for inpatient treatment is examined by epidemiologist Enno Nowossadeck in the latest issue of Deutsches Aerzteblatt International. (2012-03-19)

Competition with humans responsible for decline of New Zealand's endangered sea lions, study shows
Marine researchers in New Zealand have identified the direct impact of fishing as the largest known human factor in the decline of the endangered native sea lion population. The team's findings, published in Mammal Review, discount non-human factors, such as disease and identifies resource competition and by-catch incidents as the most likely causes. (2011-08-02)

Diabetes mortality rates in status Aboriginal adults in Alberta concerning
Diabetes rate increases in status Aboriginal adults in Alberta appear to be slowing compared with the general population, although diabetes is more common in status Aboriginals and death rates for this group are significantly higher than the general population, states an article in CMAJ (Canadian Medical Association Journal). Death rates have in fact remained unchanged for status Aboriginals who do not have diabetes. (2011-07-25)

How many will we be? Are population estimates off the mark?
In 2011 the Earth's population will reach 7 billion. The UN reports that the total number of people will climb to 9 billion in 2050, peak at 9.5 billion, stabilize temporarily, and then decline. Despite the confidence with which these projections are presented, the Population Council's John Bongaarts says that the trajectory is highly uncertain. If we make larger investments in family planning now, the population could be closer to 8 billion. (2011-02-20)

Research will help ID bodies left behind by Chilean earthquake, Pinochet regime
New research from North Carolina State University will help medical examiners and others identify human remains of those killed during the recent earthquake in Chile, as well as the bodies of the (2010-09-14)

Immunity to the pandemic virus A (H1N1): Norway is probably well-prepared for major new outbreaks
By autumn 2009, almost half of the population of Norway had been vaccinated against the pandemic influenza A (H1N1) virus. Many had also been infected by the virus during the summer and autumn outbreaks. The majority of those who were vaccinated or were infected are expected to have developed immunity to the virus. A study of the Norwegian population's immune status to the pandemic virus in January 2010 was recently published in the journal Eurosurveillance. (2010-08-24)

Unique map shows general election results in new light
A unique map of the UK, showing alternative images of the general election results, has been created by researchers at the University of Sheffield. The image, which is based on population data, shows how many people are represented by each political party. (2010-05-11)

As monarch butterflies journey north, gardeners can help protect species, researcher says
Low temperatures, storms and habitat destruction have all threatened the butterflies' overwintering population in Mexico. (2010-05-10)

LSU group develops maps charting demographics of the oil-spill region
A multidisciplinary group of LSU researchers has developed a series of maps charting the population demographics of the region surrounding the oil spill in the Gulf of Mexico. (2010-04-30)

High salt intake directly linked to stroke and cardiovascular disease
High salt intake is associated with significantly greater risk of both stroke and cardiovascular disease, concludes a study published on today. (2009-11-24)

The Per Brinck Oikos Award 2010
The Per Brinck Oikos Award 2010 has been awarded to Professor Hanna Kokko, University of Helsinki, Finland. (2009-10-21)

Buried coins key to Roman population mystery?
University of Connecticut theoretical biologist Peter Turchin and Stanford University ancient historian Walter Scheidel recently developed a new method to estimate population trends in ancient Rome and waded into an intense, ongoing debate about whether the state's population increased or declined after the first century B.C. (2009-10-05)

Vitamin E may decrease and increase mortality of male smokers with high dietary vitamin C intake
Six-year vitamin E supplementation decreased mortality by 41 percent in elderly male smokers who had high dietary vitamin C intake, but increased mortality by 19 percent in middle-aged smokers who had high vitamin C intake, according to a recent Finnish study published in the American Journal of Epidemiology. (2009-02-14)

Is tobacco use a disease?
New approaches to reducing smoking prevalence and incidence are needed, such as involving sectors outside of health care, as the current approaches do not work for everyone, writes Dr. Katherine Frohlich from University of Montreal. (2008-10-20)

Old sheep raising the baaa
Researchers show how sheep on a remote island off the west coast of Scotland respond to two consequences of climate change: altered food availability and the unpredictability of winter storms. When times are good, lambs contribute almost twice as much to population size. The oldest sheep contribute most to population growth when conditions are harsh. New mathematical breakthroughs have made it possible to learn how individuals affect population dynamics in rapidly changing environments. (2008-09-05)

Population policy needed for the UK in order to combat climate change
The biggest contribution UK couples can make to combating climate change would be to have only two children or at least have one less than they first intended, argues an editorial published on today. (2008-07-24)

New population of Iberian lynx raises hope, says World Wildlife Fund
Spanish authorities have announced they have discovered a previously unknown population of Iberian lynx, triggering hope for one of the world's most endangered cat species, said World Wildlife Fund today. (2007-10-23)

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