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A McGill-led study is challenging a popular theory about how dopamine drives movement, a discovery that could shift how scientists think about Parkinson's disease treatments.

Age-related macular degeneration, the leading cause of vision loss and blindness for Americans 65 and older, is a progressive disease affecting central vision.

Frailty is a syndrome resulting from age-related decline across multiple organ systems. A new study, conducted at the University of Jyväskylä, Finland, shows that slower reaction time and lower response accuracy in cognitive tasks are associated with higher levels of frailty.

A review in Developmental Medicine & Child Neurology summarizes the multiple benefits of sport participation for people with cerebral palsy.

Severe weather events have long-term health consequences for vulnerable older adults, according to a study in the Journal of the American Geriatrics Society based on data following Hurricane Harvey.

The US Child and Dependent Care Tax Credit (CDCTC), which helps offset a portion of child or dependent care expenses, requires that both parents in married households, or the primary caregiver in single-parent and divorced households, participate in paid employment.

A new study presents robust evidence on the role of lysophosphatidylcholines (LPCs) in the onset of Alzheimer's disease. Researchers discovered that LPCs-compounds that transport a variety of healthy fatty acids to the brain-either promote Alzheimer's or protect against it, depending on a person's genetics.

Patients with depression are at higher risk of cardiovascular disease, and a new study suggests that stress may help explain why.

One of the main proteins that contributes to Alzheimer's disease is called phospho-tau (p-tau). When p-tau gets too many phosphate groups attached to it (a process called hyperphosphorylation), it starts to stick together and form clumps called "tangles" inside of brain nerve cells.

In modern society, physical inactivity and sedentary behavior have become common issues globally. This trend is also growing among children, raising concerns for their mental and physical health.

A study reveals baloxavir outperforms oseltamivir in reducing hospitalization rates for influenza, highlighting its clinical advantages in outpatient settings.

This study shows that cocoa flavanols can preserve endothelial function during sitting, suggesting dietary strategies to mitigate cardiovascular risks.

Research published in Health Economics indicates that regular childcare provided by grandparents can ease the pressures on parents but may have some negative impacts on children's health.

What keeps our cells the right size? Scientists have long puzzled over this fundamental question, since cells that are too large or too small are linked to many diseases. Until now, the genetic basis behind cell size has largely been a mystery.

Antibiotics are powerful treatments that have saved countless lives over the course of decades. New findings from Scripps Research have identified a way to preserve healthy immune development even when infants need antibiotic treatment.

Researchers developed and validated a non-invasive urinary microRNA aging clock using extracellular vesicle miRNAs from more than 6,000 adults. The model predicts age with about 4 to 5 years error and links accelerated aging signals to type 2 diabetes.

This review synthesizes evidence that gut microbiota dysbiosis contributes to insulin resistance and symptom severity in polycystic ovary syndrome through impaired barrier function, inflammation, and altered microbial metabolites. It evaluates how Traditional Chinese Medicine may modulate these pathways while highlighting major gaps in clinical validation, safety, and standardization.

Chronic breathlessness, a symptom often overlooked by healthcare systems, is associated with longer lengths of hospital stay on already overstretched healthcare resources, says new Flinders University research.

Viruses and bacteria get a bad rap around the world but now Flinders University experts are identifying the positive 'upside' of powerful benefits that microbes have on human health.

New Australian research has identified simultaneous abnormalities across multiple biological systems in people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).