Medical Xpress news

Medical Xpress / Mitochondrial DNA mutations may help turn aging hearts toward failure

Researchers at Karolinska Institutet have shown that mutations in mitochondrial DNA (mtDNA), which accumulate in many tissues as we age, can actively contribute to impaired heart function. Until now, it has been difficult ...

Sep 7, 2026
Medical Xpress / Disabling a gene brake in pancreatic cells unlocks insulin-producing potential

Type 1 and 2 diabetes are ultimately caused by a shortage of beta (β) cells, which are present in the pancreas and produce insulin to control blood sugar. Researchers from Harvard Medical School found that they can tweak ...

Sep 6, 2026
Medical Xpress / Self-control matures later than working memory in adolescence, large analysis finds

Adolescence, the developmental phase between childhood and adulthood, is marked by substantial mental, emotional and social changes. Past psychological studies suggest that during this stage, humans gradually acquire greater ...

Sep 6, 2026
Medical Xpress / New data presented on the use of coronary artery calcium for cardiovascular risk assessment

There was no difference in major cardiovascular events when statin initiation was based on coronary artery calcium compared with traditional risk factor assessment, according to results presented in a Hot Line session today ...

Sep 6, 2026
Medical Xpress / Brain signaling mechanism may explain clozapine weight gain

Researchers at UT Southwestern Medical Center have identified a key brain signaling pathway that appears to drive the substantial weight gain often associated with clozapine, a widely used antipsychotic medication. The preclinical ...

Sep 6, 2026
Medical Xpress / Laughter therapy can help people with COPD breathe more easily

A clinical trial for patients with chronic obstructive pulmonary disease (COPD) shows that laughter therapy can reduce breathing difficulties and is as effective as more traditional breathing exercises. The research was presented ...

Sep 6, 2026
Medical Xpress / In a third of cases, AI chatbots wrongly reassure sleep apnea patients that their symptoms aren't serious

In a third of cases, AI chatbots wrongly reassure sleep apnea patients that their symptoms are not serious, discouraging them from seeking a referral to a specialist, according to research presented at the European Respiratory ...

Sep 6, 2026
Medical Xpress / A single workout may help protect memory after a short night's sleep

Modern lifestyles, longer light exposure and constant digital distractions have pushed the world into a global sleep crisis—one that poses a major threat to public health. Sleep loss doesn't just leave us tired and irritable; ...

Sep 5, 2026
Medical Xpress / Study identifies key driver of inflammation, opening door to potential new treatments

Researchers at Johns Hopkins Medicine have uncovered a critical biological mechanism that helps explain how inflammation is triggered and sustained in a wide range of diseases—highlighting a promising avenue for future therapeutic ...

Sep 5, 2026
Medical Xpress / Targeting cell division protein CDK2 could boost immunotherapy response across a wide range of cancers

New research from Dana-Farber Cancer Institute scientists suggests that cyclin-dependent kinase 2 (CDK2) inhibitors, which are currently being tested as treatments that slow the growth of a narrow range of cancers, could ...

Sep 5, 2026
Medical Xpress / Cerebroid study hints at how maternal inflammation may influence fetal brain development

Past studies suggest that a mother-to-be's heightened immune responses during pregnancy are linked to a higher risk of conditions affecting their offspring's brain development. While this association is well documented, the ...

Sep 5, 2026
Medical Xpress / Immediate coronary angiography fails to boost survival after cardiac arrest, trial finds

Immediate coronary angiography did not improve 30-day survival compared with a deferred strategy in patients without ST-segment elevation on an ECG after out-of-hospital cardiac arrest. These were the main findings of the ...

Sep 5, 2026