Medical Xpress news

Medical Xpress / A cysteine-rich diet may promote regeneration of the intestinal lining

A diet rich in the amino acid cysteine may have rejuvenating effects in the small intestine, according to a new study from MIT. This amino acid, the researchers discovered, can turn on an immune signaling pathway that helps ...

Oct 1, 2025 in Gastroenterology
Medical Xpress / Longevity research: Dietary stress supports healthy aging

Certain nutrients in food can trigger a mild stress response in nematodes. But instead of making them sick, this actually helps them stay healthier as they age, according to researchers at the University of Basel, Switzerland.

Oct 1, 2025 in Health
Medical Xpress / Experiment explores contribution of neural, epigenetic and behavioral factors to autism spectrum disorder

Autism spectrum disorder (ASD) is a neurodevelopmental disorder that is estimated to be experienced by roughly 1 in 127 people worldwide. It is characterized by atypical patterns in brain development, which manifest in differences ...

Oct 1, 2025 in Neuroscience
Medical Xpress / Rising early-onset cancer diagnoses in the US appear to be driven by increased detection, not disease

Harvard Medical School, Brigham and Women's Hospital, and Dell Medical School researchers report that rising rates of early-onset cancer in the United States may reflect more diagnoses rather than more disease.

Oct 1, 2025 in Medical research
Medical Xpress / Most effective digital interventions to stop smoking identified

Smoking remains one of the most deleterious habits for human health, as it is known to increase the risk of several life-threatening diseases, including lung and throat cancers, heart disease and strokes. While most smokers ...

Oct 1, 2025 in Psychology & Psychiatry
Medical Xpress / Stem cell studies could pave way for regenerating lost teeth

Two distinct stem cell lineages that drive tooth root and alveolar bone formation have been identified by researchers from Science Tokyo. Using genetically modified mice and lineage-tracing techniques, the team has shed light ...

Oct 1, 2025 in Dentistry
Medical Xpress / Parkinson's 'trigger' directly observed in human brain tissue for the first time

Scientists have, for the first time, directly visualized and quantified the protein clusters believed to trigger Parkinson's, marking a major advance in the study of the world's fastest-growing neurological disease.

Oct 1, 2025 in Neuroscience
Medical Xpress / Scientists design peptide 'switch' that keeps Parkinson's protein in its healthy form

Researchers at the University of Bath, in collaboration with the Universities of Oxford and Bristol, have developed a molecule that prevents the clumping and build-up of a protein linked to Parkinson's disease and related ...

Oct 1, 2025 in Medical research
Medical Xpress / Outdoor air exposure to industrial solvent trichloroethylene may raise risk of Parkinson's disease

Long-term exposure to the industrial solvent trichloroethylene (TCE) outdoors may be linked to an increased risk of Parkinson's disease, according to a large nationwide study published in Neurology.

Oct 1, 2025 in Neuroscience
Medical Xpress / ALS appears to be an autoimmune disease as immune cells attack nervous system proteins

Around 5,000 Americans are diagnosed with amyotrophic lateral sclerosis (ALS) each year. About half of patients die within 14 to 18 months of being diagnosed, usually due to breathing failure. The exact cause of ALS has long ...

Medical Xpress / Dengue vaccine shows effectiveness under real-world conditions during Brazil's 2024 outbreak

An international team of researchers has demonstrated that the tetravalent dengue vaccine known as Qdenga provided significant protection against the disease under real-world conditions, during the large 2024 epidemic in ...

Medical Xpress / Potential new therapeutic target for asthma discovered

A new way to treat asthma symptoms and even repair previously irreversible lung damage could be on the horizon following the discovery of a potential new therapeutic target by scientists at the Universities of Aberdeen and ...

Oct 1, 2025 in Immunology