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Medical Xpress / Hidden 'switches' in DNA reveal new insights into Alzheimer's disease

A tiny percentage of our DNA—around 2%—contains 20,000-odd genes. The remaining 98%—long known as the non-coding genome, or so-called 'junk' DNA—includes many of the "switches" that control when and how strongly genes ...

Dec 18, 2025 in Genetics
Phys.org / New machine-learning models capture the rapid evolution of antimicrobial resistance

Antimicrobial resistance (AMR) is an increasingly dangerous problem affecting global health. In 2019 alone, methicillin-resistant Staphylococcus aureus (MRSA) accounted for more than 100,000 global deaths attributable to ...

Dec 18, 2025 in Biology
Phys.org / What's powering these mysterious, bright blue cosmic flashes? Astronomers find a clue

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and radio emissions. With ...

Dec 16, 2025 in Astronomy & Space
Medical Xpress / WISDOM trial weighs risk-based cancer screening

University of California, San Francisco investigators led WISDOM, a randomized comparison of risk-based breast cancer screening and annual mammography. Rates of stage ≥IIB breast cancers met a noninferiority threshold under ...

Dec 17, 2025 in Oncology & Cancer
Medical Xpress / Blocking a key inflammatory pathway improves liver structure and vascular function in cirrhosis, study finds

Researchers from Miguel Hernández University of Elche (UMH) in Spain have identified an effective strategy to reduce structural liver damage and improve hepatic vascular function in cirrhosis. The study, published in Biomedicine ...

Dec 19, 2025 in Inflammatory disorders
Medical Xpress / Most parents are aware of early peanut introduction guidelines—but confused about the details

Feeding babies peanut-containing foods as early as possible can help prevent peanut allergy, but a new study published in JAMA Network Open found that parents need more support to get it right. Interviews with parents revealed ...

Dec 18, 2025 in Immunology
Phys.org / Light-controlled cholesterol 'look-alikes' point toward smarter drug delivery

High levels of cholesterol are linked to heart disease, stroke, and many other health problems. However, this complex and vital fatty, water insoluble molecule—a lipid—is found in every cell of the body and is not all ...

Dec 18, 2025 in Chemistry
Phys.org / A universal law could explain how large trades change stock prices

Financial markets are often seen as chaotic and unpredictable. Every day, traders around the world buy shares and sell assets in a whirlwind of activity. It looks like a system of total randomness—but is it really?

Dec 16, 2025 in Physics
Medical Xpress / Sleep duration, timing and quality: How smartphone data predict labor productivity

Researchers at University of Tsukuba examined the association between sleep characteristics and workplace productivity using real-world sleep data from approximately 80,000 users (spanning more than 2 million nights) of sleep-tracking ...

Dec 18, 2025 in Sleep disorders
Phys.org / Pahon Cave provides a look into 5,000 years of surprisingly stable Stone Age tool use

The Pahon Cave in Gabon offers archaeologists a well-preserved look into the Late Stone Age time period in central Africa, thanks to the stratified layers of guano-based sediment. This is in contrast with much of the surrounding ...

Dec 16, 2025 in Other Sciences
Medical Xpress / Could cheese protect your brain health? Study links high-fat cheese and cream to lower dementia risk

Eating more high-fat cheese and high-fat cream may be linked to a lower risk of developing dementia, according to a new study published in Neurology. This study does not prove that eating high-fat cheese and high-fat cream ...

Dec 17, 2025 in Health
Phys.org / PFAS detection in 15 minutes: A sensor system for rapid on-site analysis

PFAS are forever chemicals that do not degrade in the environment. They enter soil and water, accumulate in plants, animals and humans, and can be harmful to health. The problem: Until now, detecting them has been complicated, ...

Dec 18, 2025 in Chemistry