Medical Xpress news

Medical Xpress / Exposure to bright evening light linked to higher risk of age-related eye disease

Every sunrise and sunset sends the body a signal, keeping the circadian clock running on a roughly 24-hour cycle. This clock evolved so organisms could adapt to Earth's daily rotation, syncing their biology to the pattern ...

5 hours ago
Medical Xpress / Robust colorectal cancer signature identified in large-scale microbiome study

Researchers have long suspected that the gut microbiome—the community of bacteria and other microorganisms living in the intestine—is closely linked to colorectal cancer. In a new study published in Cell Host & Microbe, an ...

4 hours ago
Medical Xpress / Declining global acceptability of intimate partner violence tied to declining prevalence

A study of more than 60 countries shows those with faster declines in the social acceptability of intimate partner violence against women also tend to have had faster reductions in rates of such violence, as well as faster ...

3 hours ago
Medical Xpress / Early immune clues that determine who develops TB may lead to new ways to intervene earlier and stop the disease

A quarter of the global population is estimated to have been infected with Mycobacterium tuberculosis, yet only 5%–10% of those infected go on to develop active tuberculosis (TB). "The big question has always been what distinguishes ...

12 hours ago
Medical Xpress / How high cholesterol dismantles the liver's defenses—and how a new drug could combat it

Cholesterol-related heart disease remains the leading cause of death worldwide, and while doctors have more tools than ever to treat it, many patients still can't achieve safe cholesterol levels or can't tolerate the side ...

6 hours ago
Medical Xpress / Age limits alone won't fix smartphone risks, suggests study

Researchers at Children's Hospital of Philadelphia (CHOP), in collaboration with the University of California, Berkeley, and the University of Pennsylvania Perelman School of Medicine, found that a year after receiving their ...

3 hours ago
Medical Xpress / Immunotherapy may temporarily restore fertility in patients of premature menopause

A pilot study from Karolinska Institutet shows that immunotherapy may enable the stimulation of egg maturation in women with autoimmune POI (premature ovarian insufficiency)—a condition that usually leads to infertility. ...

5 hours ago
Medical Xpress / COVID-19 vaccine study that was blocked from CDC journal is published elsewhere

A study on COVID-19 vaccine effectiveness has finally been published after being blocked from a government health journal.

13 hours ago
Medical Xpress / Dementia could cost US $818 billion in 2026, with unpaid care driving burden

A new USC-led study finds Alzheimer's disease and related dementias will cost the United States an estimated $818 billion this year, driven largely by often-overlooked costs to persons living with dementia and family and ...

7 hours ago
Medical Xpress / Why pollution affects some asthma patients more than others

For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has struggled to explain, the extent to which pollution exacerbates asthma varies widely from person to person.

21 hours ago
Medical Xpress / Blocking a female-only GABA signal that helps glioblastoma evade immunity may boost survival

Researchers have identified a critical biological difference in how glioblastoma develops in male and female laboratory models, pinpointing an immune pathway that fuels tumor growth only in females. The study shows that the ...

21 hours ago
Medical Xpress / Discovery of BIRC3 gene variants in Crohn's disease yields a druggable pathway

Researchers from The Hospital for Sick Children (SickKids) in Toronto have found a previously unknown genetic cause of Crohn's disease and uncovered how those changes trigger inflammation through a key immune pathway. The ...

22 hours ago