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One-off lesson improves teenagers` knowledge of emergency contraception
A single lesson on emergency contraception, given by a trained teacher, improves teenagers' knowledge of the correct time limits for using emergency contraception, finds a study in this week's BMJ. Researchers recruited 1,974 boys and 1,820 girls in year 10 (14-15 years old) from 24 mixed sex, state secondary schools in south west England. Trained... view more... (2002-05-14)
Bullying more harmful than sexual harassment on the job, say researchers
Workplace bullying, such as belittling comments, persistent criticism of work and withholding resources, appears to inflict more harm on employees than sexual harassment, say researchers who presented their findings at a conference today. view more (2008-03-10)
AFRICAN HIV-1 EPIDEMIC NOT CAUSED BY MORE INFECTIOUS VIRAL SUBTYPE (p 1149)
The explosive HIV-1 epidemic in sub-Saharan Africa is unlikely to be the result of a viral subtype with increased infectivity, according to the results of a study published in this week’s issue of THE LANCET. The HIV-1 epidemic in eastern and southern sub-Saharan Africa is mainly caused by HIV-1 subtypes A, C, and D, whereas those in the USA... view more... (2001-04-11)
Being altruistic may make you attractive
Displays of altruism or selflessness towards others can be sexually attractive in a mate. This is one of the findings of a study carried out by biologists and a psychologist at The University of Nottingham. view more (2008-10-15)
Daddies' girls choose men just like their fathers
Women who enjoy good childhood relationships with their fathers are more likely to select partners who resemble their dads research suggests. view more (2007-06-13)
Is the Internet leading to riskier gay sex?
Is the Internet leading to riskier sexual behaviour among gay and bisexual men? A two year study about to start at City University, Institute of Health Sciences, London will examine whether men take greater risks with sexual partners met via gay Internet chatrooms than through more traditional means such as gay bars and clubs. The research,... view more... (2002-05-17)
Study finds virginity pledges may help postpone intercourse among youth
Making a virginity pledge may help some young people postpone the start of sexual activity, according to a new RAND Corporation study. view more (2008-06-11)
Yeast missing sex genes undergo unexpected sexual reproduction
An emerging form of the pathogenic yeast Candida is able to complete a full sexual cycle in a test tube, even though it's missing the genes for reproduction. view more (2009-05-26)
Better access to info and dialogue with HCPs on sexual issues for rheumatology patients
Patients with rheumatic diseases want more information and better communication with healthcare professionals on the sexual issues related to their conditions. view more (2009-06-12)
Low-income kids report first sexual intercourse at 12 years old in new ISU study
As a new mother herself, Brenda Lohman admits to being shocked by the results of a new study she co-authored. It found that among nearly 1,000 low-income families in three major cities, one in four children between the ages of 11 and 16 reported having sex, with their first sexual intercourse experience occurring at the average age of 12.77. view more (2009-08-18)
Getting an evolutionary handle on life after reproduction
Since many animals live beyond their fertile years, biologists have searched for evolutionary clues to this extended lifespan. view more (2005-12-27)
Hundreds of natural-selection studies could be wrong, study demonstrates
Scientists at Penn State and the National Institute of Genetics in Japan have demonstrated that several statistical methods commonly used by biologists to detect natural selection at the molecular level tend to produce incorrect results. view more (2009-03-31)
Self-monitoring helps reduce high-risk behavior among HIV-positive people
There are many effective, albeit expensive, intervention programs aimed at encouraging HIV-positive people to practice less risky behavior. But a new UCLA AIDS Institute study has found that self-monitoring by these patients is not only an effective strategy but is inexpensive and easy to implement as well. view more (2007-07-09)
Natural selection has strongly influenced recent human evolution, Cornell/Celera Genomics study finds
he most detailed analysis to date of how humans differ from one another at the DNA level shows strong evidence that natural selection has shaped the recent evolution of our species. view more (2005-10-24)
Evolution follows few of the possible paths to antibiotic resistance
Darwinian evolution follows very few of the available mutational pathways to attain fitter proteins, researchers at Harvard University have found in a study of a gene whose mutant form increases bacterial resistance to a widely prescribed antibiotic by a factor of roughly 100,000. view more (2006-04-12)
Mental health and sexual orientation--is the system fair?
REF: 99/62 5 MAY 1999 view more (1999-05-26)
Abstinence is best way of preventing young people being “engulfed” by sexually transmitted infection
Contrary to the statements issued by the UK government, abstinence from sex is the best way of preventing young people from being “engulfed” by the tide of sexually transmitted infections and unwanted pregnancies. Advice to use condoms is simply not enough. view more (2003-08-01)
Cognitive tests are the best way to select medical students
Cognitive ability tests are the best way for medical schools to select their entrants, rather than interviews and psychological tests, says an editorial in this week's BMJ. view more (2008-04-11)
Experimental evolution in robots probes the emergence of biological communication
Using an ingenious approach involving virtual robots that possess evolvable genomes, researchers have identified key factors that may play important roles in determining the manner in which communication arises during the evolution of social organisms. view more (2007-02-23)
Which sex is best for coral reef fish
Puberty blues: goby fish choose their sex to find a mate Research on the Great Barrier Reef has revealed that some young reef fish can choose when they mature and which sex they want to be when they grow up. Research conducted by JP Hobbs, an honours student at James Cook University, Townsville, focused on a colourful goby that lives in bushy... view more... (2003-08-29)
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