Medical Xpress news

Medical Xpress / Fentanyl is changing how doctors treat opioid use disorder

For years, buprenorphine—one of the primary medications used to treat opioid use disorder—has been a critical bridge to recovery, helping to reduce illicit drug use and overdose deaths. But with the changing landscape ...

Feb 5, 2026 in Addiction
Medical Xpress / Post-Dobbs state abortion bans tied to higher postpartum depression risk in low‑income communities

A new national study of Medicaid enrollees finds that postpartum depression (PPD) rose significantly among women and adolescents living in low-income areas of states that banned or severely restricted abortion following the ...

Feb 5, 2026 in Psychology & Psychiatry
Medical Xpress / Clopidogrel shown to be superior to aspirin for long-term antiplatelet therapy after coronary stenting

A research team has demonstrated that clopidogrel is more effective than aspirin as a long-term antiplatelet therapy in patients at high risk of recurrent cardiovascular events after coronary stent implantation. The team ...

Feb 5, 2026 in Cardiology
Medical Xpress / Gut microbe-derived butyrate activates immune cells to enhance vaccine efficacy

A research team from POSTECH and ImmunoBiome in Korea, led by Professor Sin-Hyeog Im, has uncovered a new mechanism showing how butyrate—a short-chain fatty acid produced by gut commensal bacteria—enhances T follicular ...

Feb 5, 2026 in Immunology
Medical Xpress / Five mutational 'fingerprints' could help predict how visible tumors are to the immune system

Researchers from the HUN-REN Szeged Biological Research Centre and HCEMM have just published a new study suggesting that it's not simply the number of tumor mutations that matters for immunotherapy, but the kind of mutation ...

Feb 5, 2026 in Oncology & Cancer
Medical Xpress / Why antibiotic allergy labels deserve a second look

In modern medicine, antibiotics are among the most powerful tools for preventing and treating life-threatening bacterial infections. Their effectiveness, however, often depends on using the right drug at the right time. Recognizing ...

Feb 5, 2026 in Medications
Medical Xpress / Approved arrhythmia drug may slow MYC-driven lymphoma by blocking USP11 interactions

A team of researchers at VCU Massey Comprehensive Cancer Center discovered an innovative way to use a drug already approved for treating irregular heartbeat to selectively target specific functions of enzymes in lymphoma, ...

Feb 5, 2026 in Immunology
Medical Xpress / One-third of dementia cases are linked to non brain-related diseases, study finds

Dementia is a term used to describe memory loss, impaired reasoning, difficulties communicating and other mental impairments that can be caused by Alzheimer's disease, other neurodegenerative disease, strokes, severe infections, ...

Feb 4, 2026 in Neuroscience
Medical Xpress / Addiction and appetite along the gut-brain axis: Vagus nerve may play a crucial role in the dopamine reward pathway

Dopamine—a neurotransmitter responsible for influencing motivation, pleasure, mood and learning in the brain—has experienced a bit of fame in recent years, acting as a sort of buzzword to describe a fleeting satisfaction ...

Feb 4, 2026 in Neuroscience
Medical Xpress / Mental health and heart attacks: What a 22-million-person review suggests

The Department of Medicine at University of Calgary led an analysis comparing several clinical mental disorders with risk of acute coronary syndrome, a term that includes heart attack and emergency chest pain resulting from ...

Feb 4, 2026 in Psychology & Psychiatry
Medical Xpress / Self-regulating living implant could end daily insulin injections

A pioneering study marks a major step toward eliminating the need for daily insulin injections for people with diabetes. The study was led by Assistant Professor Shady Farah of the Faculty of Chemical Engineering at the Technion—Israel ...

Feb 4, 2026 in Diabetes
Medical Xpress / DNA marker in malaria mosquitoes may be pivotal in tackling insecticide resistance

A new study has detected a DNA marker in a gene encoding a key enzyme known as cytochrome P450 that helps mosquitoes to break down and survive exposure to pyrethroids, the main insecticides used for treating bed nets. This ...