Medical Xpress news

Medical Xpress / Estrogen heightens gut pain sensitivity and may explain IBS gender gap

Women are dramatically more likely than men to suffer from irritable bowel syndrome (IBS), a chronic condition causing abdominal pain, bloating, and digestive discomfort. Now, scientists at UC San Francisco may have discovered ...

Dec 18, 2025 in Inflammatory disorders
Medical Xpress / How swearing makes you stronger

Letting out a swear word in a moment of frustration can feel good. Now, research suggests that it can be good for you, too: Swearing can boost people's physical performance by helping them overcome their inhibitions and push ...

Dec 18, 2025 in Psychology & Psychiatry
Medical Xpress / Is aging an act of genetic sabotage? Scientists find a gene that turns off food detection after reproduction

When roundworms stop reproducing, they can still move and function normally but lose their ability to detect certain food odors that once led them to their meals.

Dec 18, 2025 in Genetics
Medical Xpress / Aspartame sweetener cuts fat, but may harm heart and brain—even at low doses

A study by CIC biomaGUNE and Biogipuzkoa HRI conducted on mice has found that the prolonged intake of sweeteners may exert harmful effects on the function of various organs. Artificial sweeteners are widely used to reduce ...

Dec 18, 2025 in Health
Medical Xpress / NU-9 halts Alzheimer's disease in animal model before symptoms begin

An experimental drug developed at Northwestern University has demonstrated further promise as an early intervention for Alzheimer's disease.

Dec 18, 2025 in Neuroscience
Medical Xpress / Patient-specific models can help guide complex pelvic cancer surgeries

When surgeons remove an aggressive bone tumor from the pelvis, saving a patient's life can mean sacrificing a large portion of the spine and hip. Putting that fragile structure back together in a way that will let the patient ...

Dec 18, 2025 in Surgery
Medical Xpress / Scientists unravel neural networks that guide guilt and shame-driven behaviors

Feelings of guilt and shame can lead us to behave in a variety of different ways, including trying to make amends or save face, cooperating more with others or avoiding people altogether. Now, researchers have shed light ...

Dec 18, 2025 in Psychology & Psychiatry
Medical Xpress / How a rare disorder triggers sweet aversion and fat buildup in the liver

Scientists at City of Hope have unraveled how citrin deficiency (CD), a rare genetic disorder that prevents the liver from converting food into energy efficiently, can trigger fat buildup in the liver—even in lean individuals.

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
Medical Xpress / Silent dengue infections may hold clues to future vaccine design

Dengue is one of the world's fastest-spreading mosquito-borne diseases, causing millions of infections annually. Half of the world's population is now at risk, and transmission is increasing in many regions due to climate ...

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
Medical Xpress / Key lung immune cells can intensify allergic reactions

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and preventing unnecessary immune ...

Dec 18, 2025 in Immunology