EurekAlert! News by Subject: Medicine & Health - News by Subject: Medicine & Health

Medicine & Health

Updates every hour. Last Updated: 29-Dec-2025 18:11 ET (29-Dec-2025 23:11 GMT/UTC)

10-Jul-2025

New discovery reveals dopamine operates with surgical precision, not as a broad signal

University of Colorado Anschutz
Peer-Reviewed Publication

A new study from the University of Colorado Anschutz Medical Campus has upended decades of neuroscience dogma, revealing that dopamine, a neurotransmitter critical for movement, motivation, learning and mood, communicates in the brain with extraordinary precision, not broad diffusion as previously believed

Journal: Science

10-Jul-2025

Researchers discover new way cells protect themselves from damage

The Hospital for Sick Children
Peer-Reviewed Publication

An international team has uncovered a surprising way compartments within cells work together to defend themselves against oxidative stress, a finding that could shift how we understand conditions such as diabetes and neurodegenerative diseases.

Journal: Science

10-Jul-2025

Good professional advice means women more likely to use contraception after giving birth

University College London
Peer-Reviewed Publication

More than half of people who have given birth are not using contraception two months later despite the risk that back-to-back pregnancies can pose, a new UCL study shows.

Journal: BJOG An International Journal of Obstetrics & Gynaecology

10-Jul-2025

Reuben Saunders wins Hertz Thesis Prize for mapping gene function in living tissues

Fannie and John Hertz Foundation
Grant and Award Announcement

Hertz Fellow Reuben Saunders developed a powerful new CRISPRi-based screening platform to silence genes in millions of cells across living tissues. His award-winning thesis, “Pooled genetic screens with rich readouts at scale and in vivo,” is transforming how scientists study gene function in real physiological settings.

Funder: Hertz Foundation

10-Jul-2025

Rheumatoid arthritis and muscle wasting: New review points to overlooked complications

Editorial Office of West China School of Stomatology, Sichuan University
Peer-Reviewed Publication

Myopenia, a condition marked by abnormal muscle loss, affects people across all age groups. Though linked to various diseases, myopenia appears to have distinct origins and clinical features in rheumatoid arthritis (RA). Researchers have now examined its underlying mechanisms in unprecedented detail, revealing how RA drives muscle wasting. Their findings offer critical insights into age-specific presentations of myopenia and highlight emerging opportunities to improve care and functional outcomes for patients living with rheumatoid arthritis.

Journal: Bone Research

10-Jul-2025

Newly discovered molecule may explain reduced muscle mass in type 2 diabetes

Karolinska Institutet
Peer-Reviewed Publication

Researchers at Karolinska Institutet have discovered a previously unknown molecule that may explain why people with type 2 diabetes often suffer from muscle weakness and muscle loss – a condition that has a major impact on quality of life and overall health.

Journal: Science Advances

10-Jul-2025

Uncovering the highly skilled emotional work of content moderators

King's College London
Peer-Reviewed Publication

Healthcare platform moderators use strategies to manage distressing material while staying engaged enough to protect vulnerable users, finds a new study.

Journal: Journal of Management Studies