Appetite News and Research

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Cortisol hormone controls bile acid recycling process

Nature sees to it that we do not have "too much choler" in our body. A delicately equilibrated regulation system ensures that there is always exactly the right amount of bile in the gallbladder. When we are hungry, our body releases a hormone called cortisol, which is a glucocorticoid. Hepatic cells receive this hormone signal through their cortisol receptors and respond by filling the gallbladder with bile in preparation of the imminent food intake.

8 Jul 2011

Global food production needs to double by 2050 to achieve food security, survey shows

Global food production will have to increase 70 to 100 percent by 2050 to feed the world's predicted nine billion people, and that increase is only possible if more sustainable farming methods are used, according to the U.N.'s annual World Economic and Social Survey released on Tuesday, VOA News reports.

7 Jul 2011

Inhibiting heat shock transcription factor 1 prevents liver cancer in mice

Altering the body's metabolism could be an effective treatment for deadly liver cancer, researchers report.

7 Jul 2011

Study helps explain why fatty foods are complicit in weight gain

Recent studies have revealed potato chips and french fries to be the worst contributors to weight gain - and with good reason. Have you ever wondered why you can't eat just one chip or a single fry? It's not just the carbohydrates at fault.

5 Jul 2011

Study: Diet soda negatively impacts waistline

You are making a healthier choice when opting for a diet soda instead of a calorie-laden drink, but beware that you don't sabotage your good behavior by indulging in fat-adding foods.

2 Jul 2011

Checklist to stay healthy and active in summer

The summer is a great season for getting in shape. Whether by playing a sport, doing an aerobic exercise routine, or just returning to that familiar running path -- this is the time for activity.

2 Jul 2011

WFP head issues statement about humanitarian need in Horn of Africa

World Food Program (WFP) Executive Director Josette Sheeran on Wednesday voiced concern about nine million people in the Horn of Africa who urgently need humanitarian aid, Bloomberg reports.

1 Jul 2011

Experienced North Korean aid worker says hunger crisis imminent

North Korea has significantly cut public food aid and could be heading toward a hunger crisis, said Katharina Zellweger, head of a Swiss Agency for Development and Cooperation's office in Pyongyang and "one of the most experience aid workers" in the country, according to Agence France-Presse.

29 Jun 2011

Former Brazilian food security minister elected to head FAO

"Brazil's one-time food security minister, Jose Graziano da Silva, was elected Sunday director-general of the Food and Agriculture Organization, the U.N. agency tasked with reducing world hunger at a time of near-record high food prices," the Associated Press reports.

28 Jun 2011

U.S., South Korea sign international development coordination agreement

Secretary of State Hillary Rodham Clinton and South Korean Foreign Minister Kim Sung-Hwan "on Friday signed an agreement to better coordinate international development aid during a meeting [in Washington] between the two countries' top diplomats," Agence France-Presse reports.

27 Jun 2011

New bardoxolone methyl Phase 2 trial data on kidney disease, diabetes presented at ERA-EDTA 2011

New Phase 2 clinical trial data published online today in The New England Journal of Medicine show that patients with moderate to severe chronic kidney disease and type 2 diabetes receiving bardoxolone methyl for 52 weeks experienced a sustained improvement in kidney function throughout the treatment period, as measured by estimated glomerular filtration rate.

27 Jun 2011

G20 agriculture ministers reach deal aimed at addressing high food prices

"G20 farm ministers settled a deal on Thursday to tackle high food prices, agreeing to a watered-down declaration that fell short of France's ambitious proposals to tighten regulation of commodity markets," Reuters reports.

24 Jun 2011

Hunger hormone likely to cause stress-linked complex eating behaviors

We are one step closer to deciphering why some stressed people indulge in chocolate, mashed potatoes, ice cream and other high-calorie, high-fat comfort foods. UT Southwestern Medical Center-led findings, in a mouse study, suggest that ghrelin - the so-called "hunger hormone" - is involved in triggering this reaction to high stress situations.

24 Jun 2011

Australian chefs and food bloggers support Oxfam’s 2011 Stop Hunger Appeal with a special cookbook

Acclaimed Australian chefs and food bloggers have donated recipes to a special edition Oxfam cookbook to encourage Australians to get behind the international aid agency’s new ‘Stop Hunger’ appeal.

24 Jun 2011

Ghanaian, Brazilian leaders awarded World Food Prize

"John Kufuor of Ghana and Luiz Inacio Lula da Silva of Brazil won the $250,000 World Food Prize for cutting hunger in half while serving as president of their nations, the prize organizers announced on Tuesday," Reuters reports.

23 Jun 2011

Scientists find altering hormone levels change cellular development in brain

In a study that increases the understanding of the link between fetal development and obesity later in life, researchers at Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed) found altering the levels of two common hormones, insulin and leptin, in utero changes the cellular development in the region of the brain that regulates appetite.

23 Jun 2011

Food security and development lessons from Vietnam

In a post on the Guardian's "Poverty Matters Blog," Kenneth Quinn, president of the World Food Prize, discusses the impact of witnessing how road development influenced the introduction of "miracle rice" in Vietnam.

22 Jun 2011

To reduce global hunger, access to food must be expanded

Luiz Inacio Lula da Silva, president of Brazil from 2002 to 2010, outlines priorities in the battle to end global hunger in a Guardian opinion piece.

21 Jun 2011

Michelle Obama heads to Africa

"U.S. first lady Michelle Obama left for Africa on Sunday, embarking on her second official solo journey abroad with a goal of advancing U.S. policies on education, health, and democracy," Reuters reports. Obama is due to arrive in South Africa on Monday, "where she will make stops in Johannesburg and Cape Town. Later in the week she will visit Botswana," the news service notes.

21 Jun 2011

Researchers identify nine blood proteins that alter with age

Loss of muscle mass is not only associated with disease, such as HIV and cancer, but also with the normal aging process. Anabolic steroids are sometimes used to reverse loss of lean muscle tissue but they can have unwanted side effects.

20 Jun 2011