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Archive
28/04/2025

Archive: 28/04/2025

Traffic-related ultrafine particles found to influence gene regulation in olfactory cells

Exposure to air pollution–derived ultrafine particles alters gene transcription by epigenetic mechanisms, a new study shows. The changes affected, for example, cellular survival.

Apr 28, 2025

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13

Exercise may yield improved sleep quality in women with PTSD symptoms

High-intensity exercise can improve sleep quality—possibly by reducing anxiety and hyperarousal symptoms—in women with post-traumatic stress disorder (PTSD) symptoms, according to new research from the University of Georgia's ...

Apr 28, 2025

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20

Dopamine signals when a fear can be forgotten, study shows

Dangers come but dangers also go and when they do, the brain has an "all-clear" signal that teaches it to extinguish its fear.

Apr 28, 2025

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174

From aesthetics to precision: How clear aligners are transforming orthodontic care

Malocclusion affects nearly half of the global population, impacting oral function and aesthetics. Clear aligners have gained popularity due to their discreet appearance and ease of use, but their effectiveness varies depending ...

Apr 28, 2025

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24

USDA drops plan to limit salmonella in poultry products

The U.S. Department of Agriculture (USDA) has dropped plans to require poultry companies to limit salmonella bacteria in chicken and turkey products, ending a Biden administration effort to reduce foodborne illness.

Apr 28, 2025

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16

Community resources help food-insecure kids make fewer ER visits

In a new clinical study published in JAMA Pediatrics, researchers at the University of Chicago Medicine found that a low-intensity program that "prescribes" community resources to every parent or other primary caregiver of ...

Apr 28, 2025

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15

Landmark women's health study saved from funding cuts

In a sudden about-face, the U.S. Department of Health and Human Services (HHS) said it won't slash funding for the Women's Health Initiative, a major research project focused on preventing disease in older women.

Apr 28, 2025

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10

Compact gene circuit uses microRNA to fine-tune therapy for rare diseases

Many diseases are caused by a missing or defective copy of a single gene. For decades, scientists have been working on gene therapy treatments that could cure such diseases by delivering a new copy of the missing genes to ...

Apr 28, 2025

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34

Why you don't need to stress about cortisol ruining your waistline—or your face

If you've been unfortunate enough to scroll through TikTok lately, the algorithm may have convinced you that cortisol, your body's main stress hormone, is ruining your life.

Apr 28, 2025

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18

Human protein HSF2 helps wake up sleeping cancer-linked viruses, study finds

A newly established team of researchers at Åbo Akademi University, led by Academy Research Fellow Silvia Gramolelli (Faculty of Science and Engineering), has discovered an additional function for Heat Shock Factor 2 (HSF2), ...

Apr 28, 2025

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