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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

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

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

New AI tool measures brain aging speed and predicts cognitive health

A new artificial intelligence model measures how fast a patient's brain is aging and could be a powerful new tool for understanding, preventing and treating cognitive decline and dementia, according to USC researchers.

24 Feb 2025

New research shows why limits on working memory exist

Working memory is what allows humans to juggle different pieces of information in short-term scenarios, like making a mental grocery list and then going shopping or remembering and then dialing a phone number.

24 Feb 2025

Researchers assess how isolation and alcohol exposure alter ketamine intake

Ketamine can effectively treat depression, but whether depressed patients with alcohol use disorder can safely use ketamine repeatedly remains unclear clinically.

24 Feb 2025

Study uncovers pathway behind age-related degeneration of eye glands

A team led by Mount Sinai researchers has identified stem cell populations and mechanisms underlying age-related degeneration in glands that are vital to eye function.

24 Feb 2025

New antibiotic design could end the arms race with resistant bacteria

There's an arms race in medicine – scientists design drugs to treat lethal bacterial infections, but bacteria can evolve defenses to those drugs, sending the researchers back to square one.

24 Feb 2025

Sleep disruption linked to inflammatory immune changes and health risks

New research reveals insight into the impact sleep quality has on a person's immune system, and how it could be linked to the development of diseases such as obesity, diabetes, and cardiovascular diseases.

24 Feb 2025

Study finds key p53 targets for future cancer treatment

A new research paper was published in Oncotarget, Volume 16, on February 18, 2025, titled "Robust p53 phenotypes and prospective downstream targets in telomerase-immortalized human cells."

24 Feb 2025

Study uncovers novel immune evasion mechanism used by key bacterium in periodontitis

Researchers have identified a new mechanism by which a key bacterium in periodontitis evades the immune system.

24 Feb 2025

Strontium-enhanced exosomes show promise for osteoarthritis treatment

Temporomandibular joint osteoarthritis (TMJOA) is a debilitating condition that causes severe joint pain, restricted mobility, and progressive cartilage degradation.

24 Feb 2025