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BEIJING, Aug. 25 (Xinhua) -- China pledged on Thursday to make more efforts to aid people living in the drought-stricken Horn of Africa in collaboration with the International Committee for the Red Cross (ICRC)."We noticed that the ICRC launched an appeal regarding the situation in the Horn of Africa. The Red Cross Society of China (RCSC) has decided to donate 4 million yuan (about 623,000 U.S. dollars) to the ICRC for its humanitarian aid in the region," said Hua Jianmin, president of the RCSC, while meeting with visiting ICRC President Jakob Kellenberger in Beijing on Thursday.Earlier this month, the RCSC donated 8 million yuan (1.25 million dollars) to famine-plagued countries in the Horn of Africa to be used for emergency humanitarian aid.A donation of 2 million yuan was sent to Kenya through the country's Red Cross organization, while another 2 million went to Ethiopia. The other 4 million yuan was donated to other countries in the region.The Chinese government has decided to provide a total of 90 million yuan (14 million dollars) in emergency food assistance to countries in the Horn of Africa."The Red Cross Society of China is willing to work together with the International Committee for the Red Cross to meet the needs of those who have been affected (by the droughts)," Hua said.Some 12.4 million people in Kenya, Ethiopia, Somalia and other countries in the region are in dire need of food due to a serious drought, the worst to hit the region since the 1980s.

WUHAN, Aug. 6 (Xinhua) -- A Chinese man nearing 80 years old was recently diagnosed with HIV and doctors say he probably caught the virus through having "frequent unprotected sex."The case is the latest to support the opinions of experts who believe the virus is spreading fast among older Chinese men who have been largely neglected in the country's anti-AIDS campaigns.The latest diagnosed man, whose identity has been concealed for privacy reasons, was admitted to Zhongnan Hospital in central Chinese city of Wuhan with a lingering fever. He was later found to be HIV positive, doctors at the hospital said Friday.The man was widowed in his old age, has no record of blood transfusions, but had an "active unprotected sexual life," they said.Gao Shicheng, a HIV specialist in Zhongnan Hospital, said that HIV/AIDS has started to infect middle-aged and elderly Chinese men who have little or no AIDS prevention knowledge.Gao said this year alone he had diagnosed two senior men with HIV. Both contracted the virus through unprotected sex outside marriage.A recent survey conducted by the Chinese Center for Disease Control and Prevention (China CDC) shows that among the new HIV infections, the percentage of people aged 50 or above with it grew from 7.8 to 14.9 percent. Most of them were male and were found to have contracted the virus through sexual intercourse.Experts say the spread of HIV/AIDS has picked up among older Chinese men in recent years because China's senior citizens have become healthier, more open-minded about sex, and increasingly bored after retirement.They called for anti-AIDS campaigns, which usually target young people with a focus on gays, sex workers, and rural migrants, to also cover seniors in a bid to raise the awareness of HIV/AIDS prevention knowledge.China is fighting a hard battle to contain the spread of HIV/AIDS. According to a UNAIDS estimate, the country had about 740,000 people living with HIV by the end of 2009. Among them, 105,000 were estimated to have AIDS.By the end of August 2010, the cumulative total of reported HIV positives in China was 361,599, with 65,104 recorded deaths.Sex, other than blood transmission or mother-to-child transmission, has become the main channel for the spread of HIV in China.

WASHINGTON, June 2 (Xinhua) -- When humans see red, their reactions become both faster and more forceful, according to a new study published this week in the U.S. bimonthly journal Emotion.The findings may have applications for sporting and other activities in which a brief burst of strength and speed is needed, such as weightlifting. But the authors caution that the color energy boost is likely short-lived.The study measured the reactions of students in two experiments. In the first, 30 fourth-through-10th graders pinched and held open a metal clasp. Right before doing so, they read aloud their participant number written in either red or gray crayon. In the second experiment, 46 undergraduates squeezed a handgrip with their dominant hand as hard as possible when they read the word "squeeze" on a computer monitor. The word appeared on a red, blue, or gray background.In both scenarios, red significantly increased the force exerted, with participants in the red condition squeezing with greater maximum force than those in the gray or blue conditions. In the handgrip experiment, not only the amount of force, but also the immediacy of the reaction increased when red was present.The colors in the study were precisely equated in hue, brightness, and chroma (intensity) to insure that reactions were not attributable to these other qualities of color."Red enhances our physical reactions because it is seen as a danger cue," explains coauthor Andrew Elliot, professor of psychology at the University of Rochester and a lead researcher in the field of color psychology. "Humans flush when they are angry or preparing for attack," he explains. "People are acutely aware of such reddening in others and it's implications."But threat is a double-edged sword, argue Elliot and coauthor Henk Aarts, professor of psychology at Utrecht University, in the Netherlands. Along with mobilizing extra energy, "threat also evokes worry, task distraction, and self-preoccupation, all of which have been shown to tax mental resources," they write in the paper.In earlier color research, exposure to red has proven counterproductive for skilled motor and mental tasks: athletes competing against an opponent wearing red are more likely to lose and students exposed to red before a test perform worse.

JOHANNESBURG, June 1 (Xinhua) -- An estimated 2 million adolescents ages 10 to 19 are living with HIV, with 86 percent of them from sub-Saharan Africa, according to a global report on HIV prevention launched in Johannesburg on Wednesday.For the first time, the world gets to see the number of adolescents between the ages of 10 to 19 living with HIV in the report named Opportunity in Crisis: Preventing HIV from early adolescence to young adulthood.The report is a jointly publication by the United Nations Children's Fund (UNICEF), UNAIDS, the United Nations Educational, Scientific and Cultural Organization (UNESCO), the United Nations Population Fund (UNFPA), the International Labor Organization (ILO) , the World Health Organization (WHO) and World Bank.According to the report, people aged 15-24 accounted for 41 percent of new infections over the age of 15 in 2009. Worldwide, an estimated 5 million young people in that age group were living with HIV in 2009. Most of them live in sub-Saharan Africa. Globally, young women make up more than 60 percent of all young people living with HIV. In sub-Saharan Africa that rate jumped to 72 percent.Despite these challenges, the report acknowledges that some progress has been made in preventing new infections among young people."In many high-burden countries, HIV prevalence and incidence have declined among young people. While in 2001 there were 5.7 million young people living with HIV, the figure stands at 5 million (in 2009)," said the UNICEF eastern and southern Africa regional director, Elhadj As Sy, at the media briefing.He pointed that sexual transmission and injection drug use remain the major modes of transmission of HIV among young people. Early sexual debut, early pregnancy and early experiences with drug use all raise risks for HIV infection.The report reveals that unemployment and poverty are reported as the main reasons young people enter the sex trade. Worldwide, many young people driven by economic pressure, exploitation, social exclusion and lack of family support turn to commercial sex and injecting drug use.In 2001, the world made a commitment to reduce the prevalence of HIV among young people by 25 percent by 2010. The actual reduction achieved (from 5.7 million to 5 million) is 12 percent, and it represents less than half the target percentage."To avoid the current programming failures, we have to adopt a ' Continuum of Prevention Approach'." said Lina Mousa, deputy director of UNFPA Africa Regional Office."This continuum of prevention must be reflected in national HIV strategic plans, poverty reduction strategies and global fund proposals. This response must be developed with and for young people so that they own the response together with their communities," she added.To build this continuum of prevention for adolescents and young people, the reports outlined nine specific recommendations including providing young people with information and comprehensive sexuality education, strengthening child protection and social protection measures, engaging communities in shaping a positive social environment that promotes healthy behavior, establishing laws and policies that respect young people's rights.

LOS ANGELES, June 3 (Xinhua) -- Eating earth may protect the stomach against toxins, parasites and pathogens, a new study suggests.To examine the possible benefits from eating earth, researchers at Cornell University analyzed reports from missionaries, plantation doctors, explorers, and anthropologists to put together a database of more than 480 cultural accounts of geophagy -- the eating of earth.The database includes as many details as possible about the circumstances under which earth was consumed, and by whom. The researchers could then use patterns in the data to evaluate each potential explanation.Studies in the database indicate that geophagy is common even when food is plentiful. Moreover, when people eat dirt they tend to eat only small quantities that are unlikely to fill an empty stomach.The database shows that geophagy is documented most commonly in women in the early stages of pregnancy and in pre-adolescent children. Both categories of people are especially sensitive to parasites and pathogens, according to the researchers.In addition, geophagy is most common in tropical climates where foodborne microbes are abundant. Finally, the database shows that people often eat earth during episodes of gastrointestinal stress.It's unlikely the intestinal problems are caused by the dirt itself because the type of clay people usually eat comes from deep in the ground, where pathogens and parasites are unlikely to contaminate it. Plus, people usually boil the clay before eating it.More study would be helpful to confirm the protection hypothesis, the researchers say, but the available data at this point clearly support it over the other explanations for eating earth."We hope this paper stimulates (more) research," said Sera Young, a researcher at Cornell University and the study's lead author. "More importantly, we hope readers agree that it is time to stop regarding geophagy as a bizarre, non-adaptive gustatory mistake.""With these data, it is clear that geophagy is a widespread behavior in humans ...that occurs during both vulnerable life stages and when facing ecological conditions that require protection."The study is appearing in the June issue of The Quarterly Review of Biology.