Medical Xpress news

Medical Xpress / Key enzyme controls both weight gain and cholesterol levels in animal models

Obesity is a global epidemic and a major cause of morbidity and mortality because it increases the risk for comorbidities, including heart disease and fatty liver disease (MASLD). Rates of these disorders have risen as the ...

Dec 24, 2025 in Overweight & Obesity
Medical Xpress / AI model predicts blood loss in liposuction

A newly developed artificial intelligence (AI) model is highly accurate in predicting blood loss in patients undergoing high-volume liposuction, reports a study in the Plastic and Reconstructive Surgery journal.

Dec 24, 2025 in Surgery
Medical Xpress / Text messages could be key to helping TB patients quit smoking, according to study

Tuberculosis (TB) patients who smoke will recover far more quickly if they can quit—and help could come from their mobile phones, according to new research.

Dec 24, 2025 in Addiction
Medical Xpress / Gut bacteria may play role in bipolar depression by directly influencing brain connectivity

Bipolar disorder (BD) is a psychiatric disorder characterized by extreme mood changes. Individuals diagnosed with BD typically alternate between periods of high energy, euphoria, irritability and/or impulsivity (i.e., manic ...

Dec 23, 2025 in Psychology & Psychiatry
Medical Xpress / Brain chemistry can reactivate or suppress dormant HIV

Human immunodeficiency virus (HIV) infections are still fairly common and an estimated 40 million people worldwide are currently living with this condition. The HIV virus attacks the body's immune system and thus makes those ...

Dec 23, 2025 in HIV & AIDS
Medical Xpress / Stiffer colon could signal risk of early-onset colorectal cancer

Increased stiffness of the colon, spurred by chronic inflammation, may encourage the development and progression of early-onset colorectal cancer (CRC), a study co-led by UT Southwestern Medical Center researchers suggests. ...

Dec 23, 2025 in Oncology & Cancer
Medical Xpress / Not thinking about anything: Toward a brain signature of mind blanking

When we are awake, we seem to experience a continuous stream of sensations, reflections, memories, and impressions that make up our mental life. Yet some people report moments when they think about nothing at all. Is that ...

Dec 23, 2025 in Psychology & Psychiatry
Medical Xpress / Visual awareness study unlocks interplay between attention and consciousness

A new study led by Dr. Jiang Yi from the Institute of Psychology of the Chinese Academy of Sciences has revealed the first clear evidence that visual awareness acts as a "conductor" that refines the speed, precision, and ...

Dec 23, 2025 in Psychology & Psychiatry
Medical Xpress / Humans could have as many as 33 senses

Stuck in front of our screens all day, we often ignore our senses beyond sound and vision. And yet they are always at work. When we're more alert, we feel the rough and smooth surfaces of objects, the stiffness in our shoulders, ...

Dec 23, 2025 in Psychology & Psychiatry
Medical Xpress / Night shifts aren't just tiring, they can be deadly: Disrupted sleep cycles linked to aggressive breast cancer

Working the night shift, frequently flying across time zones or keeping an irregular sleep schedule does more than just leave us exhausted; it can fuel the risk of aggressive breast cancer. Exactly how and why this happens ...

Dec 23, 2025 in Oncology & Cancer
Medical Xpress / 'Listening in' on the brain's hidden language: Engineered protein detects the faintest incoming signals

Scientists have engineered a protein able to record the incoming chemical signals of brain cells (as opposed to just their outgoing signals). These whisper-quiet incoming messages are the release of the neurotransmitter glutamate, ...

Dec 23, 2025 in Neuroscience
Medical Xpress / To flexibly organize thought, the brain makes use of space

Our thoughts are specified by our knowledge and plans, yet our cognition can also be fast and flexible in handling new information. How does the well-controlled and yet highly nimble nature of cognition emerge from the brain's ...

Dec 23, 2025 in Neuroscience