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Agency is bringing back a version of a funding limit that was quickly abandoned nearly a decade ago

Facing economic and regulatory pressures, Inotiv says it is seeking ways to continue operations

A major long-term study of more than 54,000 adults found that where nitrate comes from may matter far more than how much you consume. People who got more nitrate from vegetables—roughly the amount in a cup of baby spinach a day—had a lower risk of developing dementia, while higher nitrate and nitrite intake from red meat, processed meat, and even drinking water was linked to a greater risk.

A trio of major studies found that finerenone may protect the kidneys and heart in far more people than previously thought. The drug significantly slowed kidney disease progression and reduced the risks of kidney failure, heart failure, cardiovascular death, and overall mortality. Researchers saw benefits not only in patients with diabetes but also in those with non-diabetic kidney disease, a group with limited treatment options.

Shrunken forelimbs were likely a byproduct of large, powerful skulls—with one notable exception

Scientists may have a better way to make gene-edited babies, but it’s still far from safe

Lysosomal defects are closely linked to Parkinson's disease (PD). Mutations in the GBA1 gene, encoding the lysosomal enzyme glucocerebrosidase (GCase), are major genetic risk factors for PD. GBA1 deficiency causes lysosomal dysfunction, leading to α-synuclein (α-syn) accumulation and PD progression. However, the underlying mechanisms remain unclear. In this study, we identified a novel GBA1-KAT8 regulatory pathway that controls lysosomal activity. GBA1 overexpression enhances lysosomal enzyme...

Graphic depiction of the narrative creation and student attitude changes.

A traditional Chinese medicinal root used for over a thousand years is attracting new scientific attention for its potential to combat hair loss. Studies suggest Polygonum multiflorum can block harmful hormones, activate hair-growth signals, protect follicles, and boost blood flow to the scalp. Researchers say the herb’s effects align remarkably well with both ancient descriptions and modern hair biology.

A large study found that women taking GLP-1 drugs, the medication class behind Ozempic, Wegovy, Mounjaro, and Zepbound, were about 30% less likely to develop breast cancer. Researchers say the findings are promising but not yet proof, and clinical trials are now being planned to test whether these drugs could help prevent breast cancer.

Supplements are often marketed as shortcuts to better health, but for many older adults, the real issue is whether they have a specific deficiency. Vitamins like B12 and D can play an important role when levels are low, while protein may be one of the most overlooked nutrients for maintaining strength and independence. More isn’t always better, though—some supplements can cause harm or interact with medications.

Scientists warn that free-living amoebae may be an underappreciated public health threat, capable of causing deadly infections and shielding other dangerous microbes from water treatment. Climate change and aging infrastructure could help these resilient organisms spread more widely in the years ahead.

Artificial Intelligence (AI) has become integral to the research of neurological diseases due to the rapid expansion of neuroimaging, clinical, physiological, and wearable data. However, the concise synthesis of recent machine learning (ML) and deep learning (DL) remains limited. This systematic review analyzes studies published between January 2021 and March 2026 on five major conditions- Alzheimer's disease, stroke, Parkinson's disease, brain tumors, and traumatic brain injury (TBI)-following...

Parkinson's disease (PD) is a neurodegenerative disease affecting the central nervous system with effects on the skeletal muscle that entails detailed characterization. Several PD-associated motor symptoms, such as rigidity, movement delays and postural instability, involve the skeletal muscle. We used the human α-syn A53T mutant mouse model to characterize the PD-associated skeletal muscle abnormalities. These mice exhibit reduced muscle weight, myofiber size and grip strength at PD onset. Gain...