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Articles sur New research

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Performance-based funding for colleges is widespread. But does it work? MediaNews Group/Los Angeles Daily News via Getty Images

Racial gaps in college graduation widened under funding model meant to boost performance

Some states fund their public colleges based on how well the schools perform on key metrics. New research raises questions about how that affects outcomes for students from different racial groups.
Black patients are more likely than other racial and ethnic groups to have a biopsy delay of 90 days or more after an abnormal mammogram. Yellow Dog Productions/The Image Bank via Getty Images

Biopsies confirm a breast cancer diagnosis after an abnormal mammogram – but structural racism may lead to lengthy delays

Early detection of breast cancer is critical to improving chances of survival. But racial and ethnic minority patients systematically have delayed diagnoses that reduce the benefits of screening.
Children with ADHD typically exhibit a combination of hyperactivity, inattentiveness and/or impulsive behavior. Klaus Vedfelt/Digital Vision via Getty Images

White children are especially likely to be overdiagnosed and overtreated for ADHD, according to a new study

ADHD diagnoses are on the rise, a trend that might in part be driven by overdiagnosis. A new study finds that white children are especially likely to be overdiagnosed and overtreated for ADHD.
Physician burnout is more prevalent in women than men. ER Productions Limited/DigitalVision via Getty Images

An online life coaching program for female physicians decreases burnout, increases self-compassion and cures impostor syndrome, according to a new study

Physician burnout is a severe problem in the medical field, made much worse by the COVID-19 pandemic. But an online coaching program that could be scaled up had dramatic results for participants.
Children living in low-income neighborhoods with ‘hands-off’ norms about safety showed higher levels of reactivity in a region of the brain associated with emotion processing and threat detection. DenisTangneyJr/E+ via Getty Images

Kids’ neighborhoods can affect their developing brains, a new study finds

The latest findings add to the understanding of how social disadvantage such as poverty and low-quality, unsafe housing can affect early child development.
Immunosenescence, or immune aging, can lead to less effective responses to vaccines and greater vulnerability to invading pathogens. Kudryavtsev Pavel/iStock via Getty Images Plus

Social stress can speed up immune system aging – new research

While the immune system naturally gets weaker with age, social stressors like trauma and discrimination can hasten immunosenescence.
Nine out of 10 college men who admitted to sexual assault say they took advantage of victims who were intoxicated. shironosov via iStock/Getty Images Plus

Alcohol is becoming more common in sexual assault among college students

An increasing number of college students say they were victims or perpetrators of sexual assault – and that victims were drunk when the assault took place. Are campus drinking environments to blame?
For at least three decades, studies have shown that Latinos have better heart health than other people, but new research calls that into question. The Good Brigade/DigitalVision via Getty Images

No, Latinos don’t actually have less heart disease – a new large study refutes the longstanding ‘Latino paradox’

It has long puzzled researchers why Latinos seem to have lower rates of heart disease than their non-Latino counterparts, even though they have higher risk factors for heart disease.
Dendritic cells (green) produce cytokines like IL-12, which can train T cells (pink) to attack tumors. Victor Segura Ibarra and Rita Serda/National Cancer Institute via Flickr

‘Masked’ cancer drug stealthily trains immune system to kill tumors while sparing healthy tissues, reducing treatment side effects

One promising cancer treatment has been in the works for decades, but severe side effects have kept it out of the clinic. A reengineered version may offer a way to safely harness its potent effects.
Classmates in grades 3, 4 and 5 are more likely to come from diverse economic backgrounds than their schoolmates in grades 6, 7 and 8. Paul Bersebach, MediaNews Group/Orange County Register via Getty Images

Students are often segregated within the same schools, not just by being sent to different ones

In middle school classes, students from lower-income families tended to be concentrated in just a few classrooms, new research from North Carolina has found.
Identifying the difference between normal genetic variation and disease-causing mutations can sometimes be difficult. Andrii Yalanskyi/iStock via Getty Images Plus

Genetic mutations can be benign or cancerous – a new method to differentiate between them could lead to better treatments

Tumors contain thousands of genetic changes, but only a few are actually cancer-causing. A quicker way to identify these driver mutations could lead to more targeted cancer treatments.

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