Medical Xpress news

Medical Xpress / Vitamin C may protect against air pollution, study suggests

Vitamin C may have the potential to protect people against lung disease caused by traffic-related air pollution, bushfires and dust storms, new research finds.

Dec 3, 2025 in Health
Medical Xpress / Just 20 minutes of exercise twice a week may help slow dementia, study finds

How much physical activity—and how often—is needed to help stall dementia? For older adults with mild cognitive decline, there is now an answer: at least 20 minutes, at least twice weekly.

Dec 3, 2025 in Neuroscience
Medical Xpress / Vitamin C from food boosts collagen levels in skin

A new study from researchers at the University of Otago, Faculty of Medicine—Christchurch Ōtautahi, has found that collagen production and skin renewal directly respond to the amount of vitamin C we eat.

Dec 3, 2025 in Health
Medical Xpress / Walking to work can be faster—and healthier—than you think

A new proof-of-concept study from researchers at Bar-Ilan University reveals a surprising finding: incorporating more walking into public transportation commutes can improve health—without adding extra travel time.

Dec 3, 2025 in Health
Medical Xpress / Secrets of human behavior come to light in a (very) smart kitchen

By transforming a kitchen into a fully instrumented research environment, a team led by EPFL neuroscientist Alexander Mathis opens a new window onto the fine-grained mechanics of human movement.

Dec 3, 2025 in Neuroscience
Medical Xpress / Thinking of Dry January? One month without alcohol linked to better sleep, mood and health, study finds

With the new year on the horizon and resolutions brewing, more people are saying cheers to a booze-free January, a choice that might come with some real health benefits and, ultimately, help some people cut back for good.

Dec 3, 2025 in Health
Medical Xpress / How the brain protects itself from Alzheimer's disease

High levels of calcium are toxic to cells and contribute to loss of neurons in Alzheimer's disease. A new study published in JCI Insight identifies a mechanism through which the young brain protects itself against high calcium ...

Dec 3, 2025 in Neuroscience
Medical Xpress / Middle-aged brains show capacity for repair when treated with therapeutic intervention

Normal aging is characterized by deficits in the cognitive domains of learning, memory and executive function. Specifically, there are age-related changes in recall of information, speed of processing, visuospatial skills ...

Dec 3, 2025 in Neuroscience
Medical Xpress / Newly defined benign soft tissue tumor with bony shell may mimic malignancy

It's not often that a pathologist gets to make a diagnosis that works for the patient by preventing treatment from occurring. But thanks to a Johns Hopkins Medicine doctor and his newly reported definition and classification ...

Dec 3, 2025 in Oncology & Cancer
Medical Xpress / New study explores link between forgiveness, mental health among those leaving 'high-demand' religious groups

Forgiveness may play a crucial role in healing for people who have experienced harm from—and later abandoned—a fundamentalist religious group, according to new research from Case Western Reserve University.

Dec 3, 2025 in Psychology & Psychiatry
Medical Xpress / Consumers pay when drugmakers delay, finds study of over-the-counter drug exclusivity rules

Policies designed to encourage drugmakers to introduce over-the-counter (OTC) versions of previously prescription-only medications may in fact harm consumers, shows a new study co-authored by a University of Massachusetts ...

Dec 3, 2025 in Medications
Medical Xpress / Sneaky senescent cells that resist cancer treatment can provide druggable lung cancer target

Senescent fibroblasts are aging cells that no longer divide and protect against tumor development. Yet two decades have gone by since cell biologist Judith Campisi, Ph.D., paradoxically demonstrated that these same cells ...

Dec 3, 2025 in Oncology & Cancer