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Teen Marijuana Use Not Linked to Later Depression, Lung Cancer, Other Health Problems, Research Finds

Chronic marijuana use by teenage boys does not appear to be linked to later physical or mental health issues such as depression, psychotic symptoms or asthma, according to a study published by the American Psychological Association.

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Character Traits Outweigh Material Benefits in Assessing Value Others Bring to Us

When it comes to making decisions involving others, the impression we have of their character weighs more heavily than do our assessments of how they can benefit us, a team of New York University researchers has found.

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When Being an Immigrant Makes It More–Not Less–Likely to Have a Job

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Race and education shape employment outcomes for U.S.- and foreign-born blacks in surprising ways.

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How to Talk Like a Democrat or Republican: Language Divide Between U.S. Political Parties Reaches Historic High

A new study finds that American political speech has become more polarized across party lines over time, with a clear trend break around 1980, and that current levels are unprecedented.

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Research Links Premature Birth to Withdrawn Personality

New research indicates that adults born very premature are more likely to be socially withdrawn and display signs of autism.

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News Today Tips the Scales Tomorrow

What’s in the newspaper today can predict how skinny or fat a country’s population will be tomorrow, says new research published in BMC Public Health.

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​Sex and Violence May Not Really Sell Products

If there’s one thing advertisers think they know, it is that sex and violence sell. A new analysis, however, provides some of the best evidence to date that this widely accepted adage just isn’t true.

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Poverty’s Most Insidious Damage Is to a Child’s Brain

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A new study, published July 20 in JAMA Pediatrics, provides even more compelling evidence that growing up in poverty has detrimental effects on the brain. In an accompanying editorial, child psychiatrist Joan L. Luby, MD, at Washington University School of Medicine in St. Louis, writes that “early childhood interventions to support a nurturing environment for these children must now become our top public health priority for the good of all.”

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Smithsonian Snapshot: Yoko Ono's "Wish Tree"

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Yoko Ono’s participatory artwork “Wish Tree for Washington, DC” (2007) is open for the summer at the Smithsonian’s Hirshhorn Museum and Sculpture Garden. For most of the year, visitors are invited to whisper their wishes to the tree, a white flowering dogwood in the museum’s collection. But during the summer through Labor Day, they may write their wishes on paper tags and tie them to the tree’s branches.

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Want to Avoid Divorce? Wait to Get Married — but Not Too Long—Says Utah Researcher

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A new analysis by University of Utah researcher Nick Wolfinger finds those who tie the knot after their early 30s are now more likely to divorce than those who marry in their late 20s. Past the early 30s, the odds of divorce increase by 5 percent per year of age at marriage—but it's not clear why.