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Hunger in Biological News

Fatty foods -- not empty stomach -- fire up hunger hormone

CINCINNATINew research led by the University of Cincinnati (UC) suggests that the hunger hormone ghrelin is activated by fats from the foods we eatnot those made in the bodyin order to optimize nutrient metabolism and promote the storage of body fat. The findings, the study's author says, turn ...

Sweet potato shines as new promise for small enterprise and hunger relief in developing countries

WASHINGTON, DC -- Sweetpotatoes, often misunderstood and underrated, are receiving new attention as a life-saving food crop in developing countries. According to the International Potato Center ( www.cipotato.org ), more than 95 percent of the global sweetpotato crop is grown in developing coun...

Norman Borlaug, Rob Horsch to keynote world hunger lecture

Nobel Peace Prize recipient Norman Borlaug and Rob Horsch of the Gates Foundation will discuss the challenges of developing agricultural technologies to feed the world to kick off the International Annual Meetings of the American Society of Agronomy (ASA), Crop Science Society of America (CSSA), a...

Researchers team up to provide new hope for childhood hunger

ST. LOUIS, MO, July 28, 2009 A St. Louis-based team of plant and physician-scientists with a vision of eradicating malnutrition throughout the developing world today announced the formation of the Global Harvest Alliance (GHA), a humanitarian effort involving St. Louis Children's Hospital, The Don...

Drinking milk in the morning may help stave off lunchtime hunger

Now there's a new reason for the weight-conscious to drink fat free milk at breakfast time, suggests a new study published in the July issue of the American Journal of Clinical Nutrition . Researchers in Australia found that drinking fat free milk in the morning helped increase satiety, or a feel...

Super-sized cassava plants may help fight hunger in Africa

In a recent study, genetically modified cassava plants produced roots that were more than two-and-a-half times the size of normal cassava roots. The findings could help ease hunger in many countries where people rely heavily on the cassava plant (Manihot esculenta) as a primary food source, said ...

World's pledge to halve hunger by 2015 looks like empty promise

Almost 200 countries agreed in 1990 to cut worldwide hunger in half by 2015. That commitment is now looking like an empty promise -- all talk and no action -- according to a Cornell University expert on world hunger. If business proceeds as usual, just as many people will be hungry in the world -...

Early rice harvests ease annual famine in Bangladesh

...more time to grow a second crop to provide desperately needed food and ease hunger during monga -- the hunger months. Monga is a yearly famine that occurs in northwest Bangladesh fro...

Study highlights massive imbalances in global fertilizer use

...duction is paramount, added co-author G. Philip Robertson, a professor of crop and soil sciences at Michigan State University. "Avoiding the misery of hunger is and should be a global human priority," Robertson said. "But we should also find ways to do this without sacrificing other key aspects of human wel...

NAU discovery could help feed millions

... When scientist Loretta Mayer set out to alleviate diseases associated with menopause, she didn't realize her work could lead to addressing world hunger and feeding hundreds of millions of people. The Northern Arizona University researcher and her colleagues at NAU and the University of Arizona iden...

Scientists gather to protect global food security from return of devastating wheat fungus

...entists in Mexico, to develop highly productive, rust-resistant varieties that helped launch the Green Revolution. The work was credited with averting hunger and starvation for millions worldwide and earned Borlaug the 1970 Nobel Peace Prize. For decades, wheat varieties that were a product of the Green Rev...

Brain background to body mass

...d use stores of energy, such as fat tissue. A part of the brain called the hypothalamus controls many of our basic functions such as body temperature, hunger and fluid balance: it is programmed to maintain the status quo. "Very occasionally, mutations in genes active in the hypothalamus have dramatic con...

Brain enzyme may play key role in controlling appetite and weight gain

...f a brain enzyme may play a role in preventing weight gain and obesity. The findings were reported in Cell Metabolism . To understand what drives hunger and causes metabolic disease, many scientists have focused on the hypothalamus, an almond-sized structure located deep within the brain that controls ...

Low-carb diets can affect dieters' cognition skills

...at can improve a person's attention in the short-term, which is consistent with the results in this study. Participants were also asked about their hunger levels and mood during each session. The hunger-rating did not vary between participants on a low-carb diet and those on a low-calorie diet. The only ...

Nuclear science for food security

...e that could bolster efforts aimed at pulling millions of people out of the hunger trap. IAEA scientists use radiation to produce improved high-yielding pl...t the health and livelihood of even greater numbers of people. And as world hunger grows, the need has never been more urgent. ...

Major conference on food Dec. 1-2, 2008

...e. The effects have been especially pronounced in sub-Saharan Africa, where hunger was already a daily reality. Infertile soils, unsustainable farming prac...port by a CGIAR center, nine of the ten countries with the highest level of hunger are in sub-Saharan Africa. For more than 35 years, CGIAR scientists in ov...

World Food Day brings attention to food security around the globe

...mediate attention in order to combat the issues of poverty, poor nutrition, hunger and deficiencies. The Society for Nutrition Education (SNE) encourages its ...r progress you are making; consider World Food Day the "annual meeting" for hunger activists FAO advises that many events are already planned for this day...

TVA fertilizer technology used worldwide -- but few new products since 1970s

...lizer research and development. "It's time to launch a radical initiative to develop a new generation of energy-efficient fertilizers to help avert hunger and famine." TVA Achievements TVA developed high-analysis fertilizers with high nutrient content as well as more efficient manufacturing proces...

Killer carbs -- Monash scientist finds the key to overeating as we age

...uman brain degenerate over time, causing increased hunger and potentially weight-gain as we grow older. T...e overtime, affecting our judgement as to when our hunger is satisfied," Dr Andrews said. The free radicals also try to attack the hunger neurons, but these are protected by the uncoupling...

At Boston symposium, NARSAD researchers report on genes and family traits

...stion. One reason, confirmed by epidemiological studies, is poor dietary intake. Based on examining two major famines in the 20th century -- the Dutch hunger Winter of 1944-45 brought about by the Nazi occupation in World War II and the Chinese famine in 1959-61 -- scientists found that the incidence of sch...

Hunger hormone: Makes food more attractive

...pports the view that obesity must be understood as a brain disease and that hunger should also be looked at as a kind of food addiction. Obese individuals may...e effects of ghrelin on the amygdala and OFC correlated with the self-rated hunger ratings. This study has shown that ghrelin action is more complex than...

Monell scientist Mark Friedman awarded Guggenheim Fellowship to study diet and obesity

...bodys fuel metabolism to the brain to control food intake. He has authored over 150 publications covering laboratory and theoretical work on appetite, hunger and satiety, food preferences, and obesity. The Guggenheim award will enable Friedman to expand his research on how diet composition in particular...

Big Mac: The whole world on your plate

...ica, found that humans likely stand alone when it comes to the spectrum of species we consume. Our ability to process food combined with an insatiable hunger for new tastes and international trade systems has also led to food becoming the ultimate product of a globalized society. Generally speaking, we e...

Impoverished areas of Africa and Asia face severe crop losses from climate change in 20 years

...scales, will be central to our efforts at fighting hunger and poverty over the coming decades. Climate change and hunger hotspots In the study, the researchers focused... Lobell explained. Their analysis revealed two hunger hotspots where climate impacts on agriculture look...

Hungry mothers risk addiction in their adult children

...erdam between 1944 and 1947, the time of the Dutch hunger winter. Those whose mothers had suffered severe f...eceiving treatment for addictive disorders. The hunger winter which lasted from mid-October 1944 until 12...ern about the possible future consequences for the hunger regions in our world. ...

Gates funding to help poor rice farmers

...e their incomes so they can lift themselves out of hunger and poverty. IRRI will draw on its past success... people. If we are serious about ending extreme hunger and poverty around the world, we must be serious a...heir yields and incomes and lift themselves out of hunger and poverty. Rice is a food staple for 2.4 bill...

Damon Runyon Cancer Research Foundation awards prestigious fellowships to 17 top young investigators

...id molecules important in the regulation of appetite and analgesia. Through manipulation of this pathway, it may be possible to relieve pain, promote hunger and inhibit nausea associated with radio- and chemotherapy used during cancer treatment. Brian J. Yeh, PhD , with his sponsor Eric L. Weiss, PhD,...

Rising food prices threaten world's poor people

...g the challenge of meeting global food demand, and potentially exacerbating hunger and malnutrition among the worlds poorest people. Economic growth has help...d situation, current market trends and government policies could exacerbate hunger and poverty, especially for the worlds poorest people. Policymakers thus mu...

Weight loss -- not one size fits all

...study found the role of exercise as an effective weight management method could be undermined by "compensatory responses" such as a person's increased hunger and food intake as a result of their increased energy expenditure. "People, who we refer to as compensators, are those who compensate for the incre...

Now is Africa's turn for a green revolution, global experts say

...oup of speakers will share the promise of fighting hunger in Africa through agricultural productivity. They ...chs will draw on his work to end world poverty and hunger in discussing effective strategies for progress in...arged with creating an action plan to end poverty, hunger and disease worldwide. Also speaking at the sympo...

Curbing C. difficile's toxin production

...logy at TUSM and corresponding author on the paper to be published in Molecular Microbiology. We found that the CodY protein, in essence, monitors the hunger level of C. difficile, preventing toxin production when the bacteria have enough to eat. Sonenshein, along with first author Sean Dineen, PhD, and oth...

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...ct as a signaling system that tunes the bodys internal clock. This signaling system helps to properly regulate daily rhythms of waking, sleeping, even hunger that is, if its formation has not been disrupted. This could explain why sound sleep doesnt come easily to kids whose signaling systems may n...

How appetite-stimulating brain cells work overtime during fasting

...(UCP2) that boosts the number of power-generating mitochondria in neurons that drive hunger. The increase in mitochondria, in turn, allows the brain's hunger center to remain active when periods of food scarcity result in a "negative energy balance," said Sabrina Diano of Yale University School of Medicine,...

Are genomic technologies the answer to world hunger?

...eutical products in plants, with the potential to revolutionise vaccination procedures. However, these technologies are only likely to impact on world hunger if there is effective and efficient exchange of knowledge and experience through partnerships. A keynote speaker at the ESRC Innogen Centre's Annual...

Eating protein boosts hormone that staves off hunger

...ese people when given by injection. "We've now found that increasing the protein content of the diet augments the body's own PYY, helping to reduce hunger and aid weight loss," said Medical Research Council clinician scientist Rachel Batterham of University College London, who led the new study. Scie...

New mechanism explains glucose effect on wakefulness

...lar, the researchers performed experiments in which they exposed the neurons to the subtle changes in glucose levels known to occur in daily cycles of hunger and eating. Their experiments showed that glucose inhibits orexin neurons by acting on a class of potassium ion channels known as "tandem pore" cha...

Eat less, weigh more? Enzyme makes lean mice 'susceptible' to dietary fat

...g the genetic underpinnings of obesity and weight management, the Hopkins investigators say the work affirms the central role of the brain in managing hunger and satiety and offers up new targets for drugs that manipulate CPT1c. But none have been developed so far, says Wolfgang. The newly discovered ge...

Study reveals mass migration of mormon crickets driven by hunger, fear

... Lorch, have revealed the motivating factors behind the seasonal mass migration of Mormon crickets in western North America. The scientists report hunger for protein and salt, and a fear of cannibalism, drives the mass migration of Mormon crickets in western North America. Throughout their seasonal ...

New University of Toronto research a 'pore' excuse for engineering

...y by chemists and engineers at the University of Toronto describes a nanoscale material they've created that could help satisfy society's never-ending hunger for smaller digital devices and cellphones, and could even lead to new methods for delivering medications via skin patches. The material, known as p...

Open Source Biotechnology alliance for international agriculture

...nced a majorjoint venture to advance the BiOS Initiative - a new strategy that will galvanize agricultural research focused on poverty alleviation and hunger reduction. The ventureis catalyzed by a 2.55M USD grant to CAMBIA from The Ministry of Foreign Affairs of Norway. The BiOS Initiative ?Biological In...
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