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Retinal organoids provide a powerful tool to diagnose and study Leber congenital amaurosis

Leber Congenital Amaurosis (LCA) is an inherited retinal disease leading to severe vision impairment from early infancy, affecting 2-3 out of every 100,000 newborns. LCA is caused by variants in certain genes from which proteins essential for retinal cell function and survival are made.

3 Dec 2025

Poor kidney function associated with elevated Alzheimer’s markers in the blood

People with impaired kidney function have higher levels of Alzheimer's biomarkers in their blood, but not an increased risk of dementia, according to a study published December 3, 2025, in Neurology®, the medical journal of the American Academy of Neurology.

3 Dec 2025

New rapid test distinguishes real HIV infections from vaccine-related false positives

Since the human immunodeficiency virus (HIV) was identified in 1983, roughly 91.4 million people around the world have contracted the virus and an additional 44.1 million have died from related causes.

3 Dec 2025

Experimental RNA drug shows promise for repairing DNA and healing tissue damage

Cedars-Sinai scientists have developed an experimental drug that repairs DNA and serves as a prototype for a new class of medications that fix tissue damage caused by heart attack, inflammatory disease or other conditions.

3 Dec 2025

NeuMap unveils the hidden architecture and life-long patterns of human neutrophils

Neutrophils are the most abundant immune cells in the body and the first to respond to infection or tissue damage.

3 Dec 2025

New analysis reveals fundamental flaws in widely used measures of biological aging

A landmark review published today in Genomic Psychiatry challenges researchers to fundamentally reconsider how the field measures and conceptualizes biological aging.

3 Dec 2025

Sugar alcohol sorbitol may increase the risk of developing steatotic liver disease

Sweeteners such as aspartame, found in Equal packets, sucralose (Splenda), or sugar alcohols are often seen as healthier alternatives to food with refined sugar (glucose).

3 Dec 2025

Gut bacteria produce immune-boosting compounds in response to tetracyclines

The microbes inside our bodies not only help break down food but also impact our health. Yet their precise influence is not always understood, especially in the presence of prescription drugs.

3 Dec 2025

Scientists reveal new mechanisms of electrical oscillations in neurons

Researchers at UT San Antonio have uncovered new details about electrical signals happening within nerve cells, deepening scientists' understanding of the brain.

3 Dec 2025

Breast cancer reshapes lymphatic vessels to support its spread

Breast cancer is able to modify the lymphatic vessels through which it travels to the draining lymph nodes. From there, it can then spread to other parts of the body.

3 Dec 2025

Human 3D brain model helps uncover mechanisms of preterm cerebral hemorrhage

In an article published in Advanced Science, the researchers identify how neural stem cells in preterm infants are injured following cerebral hemorrhage.

3 Dec 2025

Human gene maps show widespread gaps in non-European representation

Human gene maps contain major blind spots because they were built largely from the DNA sequences of people with European ancestry, according to a study published today in Nature Communications.

3 Dec 2025

A personalized approach to treating pancreatic cancer

It's not surprising that pancreatic cancer is often referred to as a silent killer. With few early symptoms and an aggressive nature, it has one of the lowest survival rates of all cancers.

3 Dec 2025

Understanding why simple images feel more aesthetically pleasing

Humans may find images that take less energy to process aesthetically pleasing, suggesting that our attraction to beauty is at least partially an energy conservation strategy.

3 Dec 2025

Settling the creatine safety debate

Research confirms creatine's safety, highlighting misinformation and low-quality supplements as primary concerns over cancer and kidney health risks.

3 Dec 2025

Hidden cellular layers in the hippocampus' CA1 region revealed

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have identified a previously unknown pattern of organization in one of the brain's most important areas for learning and memory.

3 Dec 2025