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Making cancer less cancerous: Blocking a single gene renders tumors less aggressive

Researchers at Johns Hopkins have identified a gene that, when repressed in tumor cells, puts a halt to cell growth and a range of processes needed for tumors to enlarge and spread to distant sites. The researchers hope that ...

Cancer created May 02, 2013 | popularity 4.7 / 5 (10) | comments 0 | with audio podcast

Infants' sweat response predicts aggressive behavior as toddlers

Infants who sweat less in response to scary situations at age 1 show more physical and verbal aggression at age 3, according to new research published in Psychological Science, a journal of the Association for Psychological Scienc ...

Psychology & Psychiatry created Apr 23, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

High-testosterone competitors more likely to choose red

Why do so many sports players and athletes choose to wear the color red when they compete? A new study to be published in Psychological Science, a journal of the Association for Psychological Science, suggests that it may ...

Psychology & Psychiatry created May 16, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Researchers identify new pathway, enhancing tamoxifen to tame aggressive breast cancer

Tamoxifen is a time-honored breast cancer drug used to treat millions of women with early-stage and less-aggressive disease, and now a University of Rochester Medical Center team has shown how to exploit tamoxifen's secondary ...

Cancer created Apr 23, 2013 | popularity 5 / 5 (1) | comments 0

Using genetic variants to improve PSA testing technique and reduce biopsies

With the help of genetics, prostate specific antigen (PSA) screenings may become more accurate and reduce the number of unnecessary prostate biopsies, according to a new study from Northwestern Medicine.

Cancer created Apr 24, 2013 | popularity 5 / 5 (1) | comments 0

Study confirms link between school climate and violence

School violence is a very important social issue world-wide. It poses a significant threat to the health, achievement, and well-being of students. Although the most highly published incidents involve serious physical violence, ...

Psychology & Psychiatry created Apr 25, 2013 | popularity 5 / 5 (1) | comments 0

Scientists assemble genetic playbook for acute leukemia

A team of researchers led by Washington University School of Medicine in St. Louis has identified virtually all of the major mutations that drive acute myeloid leukemia (AML), a fast-growing blood cancer ...

Cancer created May 01, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Skills learning program in middle schools dramatically reduces fighting

(Medical Xpress)—Middle school children who completed a social-emotional skills learning program at school were 42 percent less likely to engage in physical fighting a year later, according to a new study in the Journal of ...

Psychology & Psychiatry created May 07, 2013 | popularity 5 / 5 (1) | comments 0

Anabolic steroids may affect future mental health

There is a link between use of anabolic-androgenic steroids and reduced mental health later in life. This is the main conclusion of a new study on elite male strength athletes that researchers from the University of Gothenburg ...

Psychology & Psychiatry created May 20, 2013 | popularity 3 / 5 (1) | comments 1

Aggression

In psychology, as well as other social and behavioral sciences, aggression refers to behavior between members of the same species that is intended to cause pain or harm. Predatory or defensive behavior between members of different species is not normally considered "aggression." Aggression takes a variety of forms among humans and can be physical, mental, or verbal. Aggression should not be confused with assertiveness, although the terms are often used interchangeably among laypeople, e.g. an aggressive salesperson.

There are two broad categories of aggression. These include hostile, affective, or retaliatory aggression and instrumental, predatory, or goal-oriented aggression. Empirical research indicates that there is a critical difference between the two, both psychologically and physiologically. Some research indicates that people with tendencies toward affective aggression have lower IQs than those with tendencies toward predatory aggression. If only considering physical aggression, males tend to be more aggressive than females. One explanation for this difference is that females are physically weaker than men, and so need to resort to other means.

For more information about Aggression, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

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