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Human behavior changes the number of strains of infectious diseases
Simple models predict that only one strain of an infectious disease can exist at one time, but observation suggests otherwise.   view more (2006-07-27)

It's a unisex brain with specific signals that trigger 'male' behavior
Research by Yale scientists shows that males and females have essentially unisex brains - at least in flies - according to a recent report in Cell designed to identify factors that are responsible for sex differences in behavior.   view more (2008-05-01)

Kids at risk: Assessing diet and exercise behaviors in adolescents
Do adolescents get enough exercise and eat the right foods? Is there too much fat in their diets? In a study published in the February 2007 issue of the American Journal of Preventive Medicine, researchers analyzed the behavior of almost 900 11-to-15 year-olds and found that nearly 80% had multiple... view more (2007-01-29)

Teen smokers influenced by movie star smokers
Teen smokers are influenced to take up the habit if their favourite movie stars are smokers, suggests research in Tobacco Control. Teenagers, aged 10 to 19, were surveyed about their smoking habits and their attitudes to smoking. These were scored on a five point scale. The teens were also asked to... view more (2001-02-23)

Weight does not affect women's sexual behavior
Oregon and Hawaiian researchers have found that a woman's weight does not seem to affect sexual behavior. In fact, overweight women are more likely to report having sex with men than women considered to be of "normal weight."   view more (2008-10-31)

Childhood TV viewing a risk for behavior problems
Daily television viewing for two or more hours in early childhood can lead to behavioral problems and poor social skills, according to a study of children 2.5 to 5.5 years of age conducted by researchers at the Johns Hopkins Bloomberg School of Public Health.   view more (2007-10-01)

Preschool kids do better when they talk to themselves, research shows
Parents should not worry when their pre-schoolers talk to themselves; in fact, they should encourage it, says Adam Winsler, an associate professor of psychology at George Mason University.   view more (2008-03-31)

Warm, nurturing parents have well-adjusted adolescents
Although preadolescents and adolescents might think their parents hold no sway over them, a study published in the September/October issue of the journal Child Development finds just the opposite - early parenting style makes a big difference in how a child turns out.   view more (2005-09-14)

Turbulence yields secrets to 73-year-old experiment
A simple but groundbreaking experiment performed more than 70 years ago finally has been explained by scientists at the University of Illinois at Urbana-Champaign. The solution sheds new light on fluid turbulence - the last major unsolved problem in classical physics.   view more (2006-02-02)

Hyperactivity and academic achievement could be linked by genetics
Children who are hyperactive tend to do worse academically than their peers who are not hyperactive.   view more (2007-05-17)

Lower metabolism, eating behavior possibly explain the cause of overweight in narcolepsy
A lower metabolism, as well as slight changes in eating behavior, could explain the positive energy balance leading to being overweight in narcolepsy.   view more (2007-10-01)

College freshmen: pain killers and stimulants less risky than cocaine; more risky than marijuana
First year college students believe that occasional nonmedical use of prescription pain killers and stimulants is less risky than cocaine, but more risky than marijuana or consuming five or more alcoholic beverages every weekend.   view more (2008-09-03)

Courtship pattern shaped by emergence of a new gene in fruit flies
When a young gene known as sphinx is inactivated in the common fruit fly, it leads to increased male-male courtship, scientists report in the May 27, 2008, issue of the Proceedings of the National Academy of Sciences.   view more (2008-05-27)

Survey shows US teens confident in their inventiveness; hands-on, project-based learning needed
American teens are confident they can invent solutions to some of the world's pressing challenges, such as protecting and restoring the natural environment, but more than half feel unprepared for careers in technology and engineering, the Lemelson-MIT Invention Index has found this year.   view more (2008-01-16)

Gay men's risky sexual behavior linked to feeling undesirable
Gay men who are not considered sexually desirable are more likely to engage in risky sexual behavior according to new research out of the University of Toronto. They may also develop psychological problems as a consequence of feeling undesirable.   view more (2008-12-01)

Parasites trigger healthy eating in caterpillars
Some parasites trigger their own destruction by altering their hosts' behavior, researchers at The University of Arizona and Wesleyan University report in Nature.   view more (2005-07-29)

Physiological markers for cutting, other self-harming behaviors by teenage girls found
Non-fatal, self-inflicted injuries by adolescent and young adult females are major public health problems and researchers have found physiological evidence that this behavior may lead to a more serious psychological condition called borderline personality disorder.   view more (2006-06-16)

Early neglect predicts aggressive behavior in children
Children who are neglected before their second birthday display higher levels of aggressive behavior between ages 4 and 8, according to a University of North Carolina at Chapel Hill study, published today in the journal Pediatrics.   view more (2008-04-07)

Racial discrimination can affect adolescents' development
Racial discrimination in the lives of African-American children can lead to depression and behavior problems in adolescence, but teens who have had close relationships with their parents, friendships focused on positive pursuits and good schooling experiences are less likely to experience these... view more (2006-09-14)

Television Viewing and Aggression: Some Alternative Perspectives
The effect of media violence on behavior is not only an interesting psychological question but is also a relevant public policy and public health issue.   view more (2008-10-02)

'Virginity pledges' by adolescents may bias their reports of premarital sex
Adolescents who sign a "virginity pledge" and then go on to have premarital sex are likely to disavow having signed such a pledge.   view more (2006-05-03)

Tissue rigidity promotes tumor progression
Most investigations into cancer have focused on chemical signals, but a new research study provides rare insight into how mechanical force can regulate cellular behavior.   view more (2005-09-20)

When she's turned on, some of her genes turn off
When a female is attracted to a male, entire suites of genes in her brain turn on and off, show biologists from The University of Texas at Austin studying swordtail fish.   view more (2007-12-11)

Test improves prediction of self-injurious behavior
Researchers have found a better way to predict self-injurious behavior by using a test that does not rely on the individual to articulate their thoughts, but instead assesses their implicit attitudes towards self-injury.   view more (2007-05-09)

My bad! Why we feel guilt in the first place
Guilt plays a vital role in the regulation of social behavior. That worried feeling in our gut often serves as the impetus for our stab at redemption. However, psychologists have trouble agreeing on the function of this complex emotion.   view more (2007-07-25)
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