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An estimated 69 million people worldwide experience a traumatic brain injury every year. Iaremenko/iStock via Getty Images Plus

Blocking an immune system molecule in mice may help prevent long-term disabilities after traumatic brain injury

The molecule C1q has both protective and detrimental effects after traumatic brain injury. Blocking it after injury in mice restored normal brain rhythms during sleep and prevented epileptic spikes.
Black men who have sex with men in Southern states have a low rate of using HIV prevention treatments. yacobchuk/iStock/Getty Images Plus via Getty Images

Use of HIV prevention treatments is very low among Southern Black gay men

This finding suggests public health efforts will have to address the treatment barriers these men face – like poverty or homophobia – to meet the nation’s goal of ending the HIV epidemic by 2030.
Reverse vaccination teaches the immune system to ignore rather than attack self-proteins. Christoph Burgstedt/Science Photo Library via Getty Images

Reverse vaccination technique in mice suggests new way to teach the immune system not to attack lifesaving treatments

A recent lab-stage study finds that preexposure to the proteins used to treat conditions like hemophilia A could help train the immune system to tolerate rather than attack therapies.
Career technical education courses are linked to higher rates of school engagement for high schoolers from low-income backgrounds. Maskot/Getty Images

Career-based classes keep students more engaged

Students from low-income backgrounds fare better when they are able to take career and technical classes in STEM, new research shows.
Public spending aimed at reducing poverty can lead to deep reductions in child maltreatment and could improve overall child well-being. shih-wei/ E+ via Getty Images

State spending on anti-poverty programs could substantially reduce child abuse and neglect

Public investments in benefit programs could save tens of thousands of children from being victims of child abuse and have important later-life effects on child welfare and overall health.
A volunteer distributes face masks in a rural California community in February 2021. Mel Melcon/Los Angeles Times via Getty Images

Having COVID-19 or being close to others who get it may make you more charitable

Experiments in the US and Italy that observed people’s charitable choices found similar results: People tend to prefer to help local communities.

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