Medical Xpress news

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 ...

6 hours ago 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 / 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 / Study examines oligodendrocyte dynamics throughout the progression of multiple sclerosis

Multiple sclerosis (MS) is a chronic autoimmune disease characterized by the disruption of nerve signals and various associated neurological symptoms, ranging from vision problems to numbness, weakness, fatigue and cognitive ...

11 hours ago in Neuroscience
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 ...

7 hours ago in Inflammatory disorders
Medical Xpress / First vaccine shows promise in protecting from deadly melioidosis infection

Melioidosis is a little-known tropical disease now seen as an emerging global public health threat. The disease is caused by bacteria that live in soil and groundwater, and no vaccine exists to prevent infection, which can ...

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 ...

9 hours ago in Health
Medical Xpress / For Black women with breast cancer, ultra-processed foods may worsen health outcomes

A study by Rutgers Cancer Institute researchers is the first to link ultra-processed foods to reduced survival in Black women with breast cancer.

5 hours ago in Oncology & Cancer
Medical Xpress / Brain Care Score can predict risk of stroke across racial groups, study finds

A new study from Mass General Brigham found the Brain Care Score (BCS) is a strong predictor of stroke across different racial groups in the U.S. The findings, published in Neurology, suggest that improvements in the BCS ...

5 hours ago in Neuroscience
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.

12 hours ago in Genetics
Medical Xpress / Worrying about money and food ages the heart faster than traditional risk factors

A novel analysis investigating the contribution of social determinants of health (SDoH) to cardiac aging has found that financial strain and food insecurity are the strongest drivers of accelerated biological aging and increased ...

6 hours ago in Health
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 ...

12 hours ago in Psychology & Psychiatry