Brain Changes in Video Gamers: Addiction or Just People Having Fun?

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A new study finds changes in brain regions associated with addiction in frequent video gaming teenagers. But the findings raise questions about whether such research is really relevant to the understanding of true addiction.

Controversial Posters of Babies with Knives Aim to Reduce Co-Sleeping Deaths

Milwaukee Health Department

Babies and knives are not generally a good combination. But in the case of a Milwaukee ad campaign against co-sleeping, the startling juxtaposition of a snoozing infant nestled next to a butcher’s cleaver seems to have served its purpose: it’s got people everywhere talking.

The Healthland Podcast: Nightmares, “Broken Heart Syndrome,” and Teen Sex

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This week we discuss new research showing that you can change your nightmares into good dreams — and sleep a lot better. Also, we talk about why breakups can literally break the heart, especially for women. And we dive into the controversial Dutch approach to teens and sex. Listen immediately by clicking the play button [...]

U.S. Birth Rates Hit Record Lows: Is It the Economy?

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(Updated) Better birth control? No, it’s the bad economy. The national birth rate dropped for the third straight year, down another 3% in 2010, and experts say it’s because women fear they can’t afford the cost of kids.

1.3 million

Cases of chlamydia reported in 2010, a 5.1% increase since 2009 and the largest number of cases ever reported to the Centers for Disease Control and Prevention for any condition. The rise can be attributed to better screening, not to an actual increase in people with the disease. The number of new gonorrhea cases in [...]

Being Transgender Is Still Widely Misunderstood

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On the Sunday before Thanksgiving, transgender activists the world over will hold their 13th annual Day of Remembrance. The gatherings and vigils are meant to draw attention to “transphobia” and, according to the event’s website, to “memorialize those who were killed due to anti-transgender hatred or prejudice.”

Early Report Suggests Low Radiation Exposure in Fukushima

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In the aftermath of the massive earthquake and tsunami that devastated northern Japan on March 11, concerns have focused on the lasting health impact of the radiation that leaked from the Fukushima nuclear plant, which was crippled in the disasters.

Are Smokers Today More Addicted Than in the Past?

Alamy

Smokers today may be more strongly influenced by genetic predispositions than in generations past, and that may be making it harder for them to quit, a new study suggests.

Telltale Signs You’ve Got the ‘Love Hormone’ Gene?

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Can you tell at first glance if someone is likely to be a good partner or parent? New research suggests that observers can identify the most nurturing and socially sensitive people, just by watching their behavior for 20 seconds — and that these highly empathetic people are more likely to have a gene variation associated [...]

Study: More Medications, More Erectile Dysfunction

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The more medications a man takes, the worse his symptoms of sexual dysfunction may be.