Notícias · Recifes

Fear-learning circuit shows how stress disrupts brain's ability to suppress trauma

Fear is often thought of as a negative emotion but is actually a natural protective response to perceived threats or danger. It helps us survive. When we experience a situation that causes fear, it becomes stored in our brain as a fear memory. These fear memories prevent us from

Admin Recifes 15/07/2026 1

Hearing loss in diabetes patients a 'hidden epidemic'

Researchers are calling for hearing tests to become a standard part of diabetes care and for hearing loss to be recognized as a significant complication of the condition. Dr. Mehwish Nisar from UQ's School of Public Health said most people were unaware there was even a connection

Admin Recifes 15/07/2026 1

Dementia-causing substance turns into a therapeutic 'switch' with new Alzheimer's drug str

A substance that worsens dementia has become a "switch" that initiates treatment. KAIST researchers have developed a new therapeutic approach that uses hydrogen peroxide (H₂O₂), a reactive oxygen species that damages cells and increases in the brains of patients with Alzheimer's

Admin Recifes 15/07/2026 1

Biological aortic valves linked to better pregnancy outcomes, but more reoperations

In cases of serious aortic valve disease, choosing a new heart valve is particularly difficult for young women who wish to become pregnant. A new Swedish registry study from Karolinska Institutet shows that a biological aortic valve provides good pregnancy and birth outcomes, eve

Admin Recifes 15/07/2026 1

Five hidden pitfalls of fitness tracking

Many people in the U.K. now use apps, smartwatches or wearable devices to track their physical activity. Fitness trackers promise to help users become fitter, happier and healthier versions of themselves. For many people, they can be useful: a nudge to move more, a way to notice

Admin Recifes 15/07/2026 1

Could these tiny organs save millions of lives?

If you're a woman newly diagnosed with breast cancer, treatment can feel ... well, scary. Will chemotherapy work? Or will it become a cycle of educated guesswork: trying one drug combination, waiting, scanning? If the tumor doesn't respond, trying something else. In the meantime,

Admin Recifes 15/07/2026 1

New comprehensive data platform could transform Alzheimer's research, treatment

With an increasingly aging global population and no available preventive treatments, Alzheimer's disease and related dementias are poised to become an even larger public health challenge. The mechanisms underlying Alzheimer's disease are difficult to study because the disease has

Admin Recifes 15/07/2026 1

Medical AI may look less biased on paper but not in practice, new study finds

Large language models (LLMs) are only as good as the data they learn from. If their training data contains social biases, the models may unintentionally repeat those biases in their responses. As their use increases with the rise of generative AI, it has become evident that they

Admin Recifes 15/07/2026 1

GLP-1 agonists may help people with diabetes and long COVID, study in mice suggests

GLP-1 agonists have become popular treatments for weight loss and type 2 diabetes, and newer studies suggest other health benefits as well. Findings from experiments on mice, published in the Journal of Virology, suggest that the drugs may offer benefits to another patient popula

Admin Recifes 15/07/2026 1

New treatment helps achieve a healthier BMI in people with weight dysregulation after brai

A new therapy helps achieve a healthier BMI in people whose weight has become dysregulated following treatment for a brain tumor, a clinical trial has found. The results of the trial have been published in the New England Journal of Medicine. The new drug, setmelanotide, offers h

Admin Recifes 15/07/2026 0

Genome editing in rats enables more accurate estrogen receptor-positive breast cancer mode

Rat disease models have played an integral role in scientific discovery and cancer research, including Nobel Prize–winning work from Charles Huggins on hormone therapy for prostate cancer in 1966. However, technical challenges in genetic engineering of rat models have limited the

Admin Recifes 15/07/2026 1

Emergency doctors are stressed out—and patient irritation plays a significant role

HBO's emergency-department drama "The Pitt" has become a smash hit in large part because it shows the deeply human toll that emergency medicine exacts on those who practice it. While researchers have long known that real-life ER doctors are affected by many of the stresses that "

Admin Recifes 15/07/2026 1

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