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Do vitamin D supplements reduce acute respiratory infections?

Vitamin D supplementation shows no significant effect on acute respiratory infections overall, but children and daily low doses may offer protective benefits.

25 Feb 2025

Excessive screen time linked to manic symptoms in teens

Researchers examine the association between excessive screen time and manic symptoms in early adolescence.

25 Feb 2025

Researchers develop new tool to assess psychological impact of esophageal diseases

Psychological factors have a greater impact on the severity of symptoms in esophageal diseases than objective evaluations, such as acid reflux and esophageal motility function. Although there are questionnaires that assess general psychological states in Japan, there were none that were specific to esophageal symptoms.

25 Feb 2025

UCL researchers develop groundbreaking therapy for a common cause of high blood pressure

A minimally invasive therapy that has the potential to transform treatment of a common cause of high blood pressure, has been developed by researchers at UCL, Queen Mary University of London and Barts Health.

25 Feb 2025

Personalized home visits significantly reduce hospital admissions for older adults with frailty

A new service aimed at supporting older people who are starting to become frail, could reduce emergency hospital admissions by more than a third and save the NHS money, finds a new study led by UCL researchers.

25 Feb 2025

Study explores link between antidepressant use and cognitive decline in dementia patients

New research suggests that antidepressants can accelerate cognitive decline in people with dementia. At the same time, some drugs appear to be less harmful than others, which can help doctors make better treatment decisions, according to the study published in BMC Medicine.

25 Feb 2025

Scientists aim to regenerate lungs for premature infants with BPD

Understanding resilience - the ability of injured lung tissue to heal and regenerate - may be key to advancing the treatment and prevention of life-threatening lung disease that occurs in extremely premature babies, a new study suggests.

25 Feb 2025

Genetic study demonstrates fat-selective weight loss with GLP-1 agonist use

Diabetes and obesity have become pressing health issues worldwide. Glucagon-like peptide-1 (GLP-1) receptor agonists, a class of medications widely used in the treatment of type 2 diabetes (T2D), have shown significant effectiveness in both lowering blood sugar levels and aiding weight loss due to their unique pharmacological mechanisms.

25 Feb 2025

Study finds strong evidence that bird flu spreads through the air between farms

Researchers provided genetic and meteorological evidence suggesting that windborne transmission of HPAI H5N1 over 8 km is possible, highlighting its role in poultry farm outbreaks.

24 Feb 2025

AI-generated food images make some people uneasy—here’s why

Researchers found that AI-generated food images, particularly imperfect ones, evoke an uncanny valley effect, making them appear eerie and less pleasant, especially among people with food neophobia.

24 Feb 2025

Study challenges role of BRCA1 mutation in prostate cancer initiation

Mutations in the BRCA1 gene that are either inherited (germline) or acquired (somatic) might not be key to the initiation of prostate cancer, as previously thought, suggests the first study of its kind, published online in the open access journal BMJ Oncology.

24 Feb 2025

What can bears, tardigrades, and worms teach us about surviving deep space?

Scientists are exploring how animal models—hibernators, extremophiles, and small organisms—can help counteract the health risks of long-duration space travel, using AI-driven monitoring to translate these findings into astronaut solutions.

24 Feb 2025

Researchers uncover a surprising layer of complexity in aldosterone-producing tumors

Kyushu University researchers have uncovered a surprising layer of complexity in aldosterone-producing adenomas (APAs)-adrenal gland tumors that drive high blood pressure.

24 Feb 2025

Machine learning algorithm decodes immune system’s hidden data for disease detection

Your immune system harbors a lifetime's worth of information about threats it's encountered - a biological Rolodex of baddies.

24 Feb 2025

Higher 'bad' cholesterol levels may help Sardinia’s seniors live longer, study finds

Higher LDL cholesterol levels (≥130 mg/dL) were linked to longer survival in Sardinian nonagenarians, challenging the conventional belief that lower cholesterol is always better. However, very high cholesterol levels, particularly in women, did not show additional longevity benefits.

24 Feb 2025

New imaging tool reveals the brain's role in cochlea sensitivity

The brain may play a role in helping the ear regulate its sensitivity to sound and compensate for hearing loss by sending a signal to a structure in the inner ear known as the cochlea, according to a study that was just published in the Journal of Neuroscience.

24 Feb 2025

Study finds variations in prostate cancer detection across GP practices

A largescale study has found huge variation between GP practices on whether they are likely to pick up prostate cancer using a blood test.

24 Feb 2025

Melatonin supplements may help reduce DNA damage in night shift workers

Melatonin supplementation may help offset the DNA damage associated with night shift work by boosting the body's ability to repair it, suggest the findings of a small clinical trial published online in the journal Occupational & Environmental Medicine.

24 Feb 2025

Gynecological conditions may raise risk of heart disease and stroke

Having one or more common gynecological disorders, such as endometriosis or heavy or irregular periods, may be linked to a heightened risk of heart disease and conditions that affect blood flow to the brain (cerebrovascular disease), finds a pooled data analysis of the available evidence published online in the journal Heart.

24 Feb 2025

Paper-based plasma spot card offers better HIV monitoring

In parts of the world where traveling to a clinic for routine blood tests is a financial and logistical challenge, HIV patients increasingly have the option to collect and ship a drop of their blood in paper-based devices that absorb the sample and store it for analysis in far-away labs.

24 Feb 2025