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Medical Xpress / Historical trends in U.S. heroin use: Initiation after 2000 differs from earlier patterns

The production, distribution, and consumption of illegal opioids create problems for public health and safety in many countries. Overdose rates are particularly high in Canada and the United States, which experienced three ...

22 hours ago in Addiction
Medical Xpress / Lifespan-extending treatments increase variation in age at time of death

A key goal in aging research is not just to extend life, but to ensure more people live longer and healthier lives with less variation in age at death, a concept known as "squaring the survival curve." Using a recent meta-analysis, ...

20 hours ago in Gerontology & Geriatrics
Medical Xpress / Kenya-Uganda trial reduces HIV incidence by 70% in rural populations

By pairing digital tools with tailored HIV services delivered by community health workers and clinicians, a study has reduced new HIV cases by 70% in rural Kenya and Uganda. This successful strategic implementation of existing ...

22 hours ago in HIV & AIDS
Medical Xpress / Cervical cancer rates plummet among states with high HPV vaccination rates

Cervical cancer rates are plummeting in states with higher rates of HPV vaccination, a new study reports. Overall, cervical cancers have declined by 27% among young women in the years since the human papillomavirus (HPV) ...

19 hours ago in Obstetrics & gynaecology
Phys.org / Cosmologists collaborate to sharpen measurements of the Hubble constant

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in Astronomy & Astrophysics, ...

Feb 21, 2026 in Astronomy & Space
Phys.org / Q&A: Why the fall of Mexico's most wanted kingpin matters

Mexico stands at a critical security crossroads following the confirmed death of Nemesio Oseguera Cervantes, known as El Mencho, the founder and leader of the Jalisco New Generation Cartel.

23 hours ago in Other Sciences
Medical Xpress / Ultrasound gives the brain a nudge in the right direction

Neuroscientist Soha Farboud of the Donders Institute at Radboud University has succeeded in adjusting activity in specific brain areas using a new technique. With ultrasonic brain stimulation, she was able to influence whether ...

23 hours ago in Neuroscience
Medical Xpress / Obstructive sleep apnea may cost UK and US economies billions in lost productivity

Untreated obstructive sleep apnea may be costing the UK and US economies billions of pounds/dollars in lost productivity every year, with a considerable proportion of working-age adults experiencing symptoms indicative of ...

21 hours ago in Sleep disorders
Phys.org / New Aegean index unlocks advance in Mediterranean seasonal rainfall forecasting

A new study has identified a distinct climate precursor in the Mediterranean Sea that can predict winter precipitation levels in the Levant months in advance. The study, published in Weather and Climate Dynamics, is titled ...

22 hours ago in Earth
Medical Xpress / Adolescent cannabis use may follow the same pattern as alcohol use

A new study published in the journal Addiction shows that cannabis use among Swedish adolescents appears to follow the same population-level pattern previously observed for alcohol. The findings suggest that changes in average ...

20 hours ago in Addiction
Tech Xplore / Waymo's robotaxis now being dispatched in 10 major U.S. markets with expansion in Texas and Florida

Waymo will begin dispatching its robotaxis in four more cities in Texas and Florida, expanding the territory covered by its fleet of self-driving cars to 10 major U.S. metropolitan markets.

19 hours ago in Automotive
Phys.org / The hidden stress facing coral reef fish in the Arabian Gulf

A new study from NYU Abu Dhabi has found that small coral reef fish in the Arabian Gulf are facing a hidden but growing source of stress. When oxygen levels drop at night, a common occurrence on some of the world's hottest ...

22 hours ago in Biology