Higher education provides limited protection from Alzheimer's disease

A new study led by the Centenary Institute and the University of Sydney shows that a nasal vaccine could offer powerful protection against COVID-19. It works by stopping infection in the nose before the virus spreads through the body.

A new study explains why smokers have a higher chance of developing pancreatic cancer and why they tend to have worse outcomes than nonsmokers.

A COVID wave is washing over California, with the state seeing continued increases in the number of newly confirmed cases and hospitalizations as some officials urged the public to take greater precautions.

The process of improving the synchronization between visual perception and motor skills is called visuomotor learning. It entails adaptation of movements based on visual information. This kind of training can help with skill development and rehabilitation by enhancing motor skills.

On September 3rd, Colorado's top health official issued an order allowing pharmacists to provide COVID-19 vaccines without a prescription after two major chains announced they would limit the shots in their stores.

When a child is critically ill, families often face one of the most heartbreaking questions imaginable: how should a medical team intervene when a patient's heart stops beating or they are unable to breathe independently?

With flu season approaching and COVID-19 remaining a threat, infectious disease expert Erin Carlson encourages people to consult with their family physicians about getting vaccinated to avoid serious illness, hospitalization or death this fall and winter.

In rural and underserved areas—particularly Native American communities—early signs of dementia often go unrecognized. This could be because access to specialized care is limited, and symptoms are easily mistaken for normal memory loss due to aging.

Scientists have found that the diabetes/weight loss drug semaglutide, sold commercially under brand names like Ozempic and Wegovy, significantly reduces cocaine-seeking behavior in rats. This work needs to be confirmed in humans, but it suggests that semaglutide is a candidate to be developed as a treatment for cocaine dependency; at the moment there is no effective pharmacological treatment for cocaine dependency.

Patients with atrial fibrillation who live in neighborhoods with poor access to full-service grocery stores face sharply higher odds of stroke and death, according to a new study from Tulane University.

Deep in the Bolivian Amazon exists a forager-horticultural community called the Tsimane. Researchers look to them for insights on how the human body functioned prior to modern technologies, as their lifestyles remain the closest to that of our ancestors.

A new UCLA Health study found that taking an eight-strain probiotic daily may reduce the risk of pouchitis, a common inflammatory condition that occurs after colon removal surgery for ulcerative colitis, but the treatment may not be worth the cost depending on a patient's likelihood of flare-ups.

The recent ouster of Centers for Disease Control and Prevention Director Susan Monarez and the resignations of top officials mark not just an institutional crisis but the latest chapter in a political war on evidence-based public health. This purge is not reform. It is the culmination of a right-wing assault that began in President Donald Trump's first term, when science was mocked, expertise sidelined and conspiracy theories elevated above epidemiology.

The U.S. Food and Drug Administration is urging nicotine pouch manufacturers to adopt child-resistant packaging to help prevent children from accidentally ingesting the pouches.

A type of brain cell that plays a vital role in maintaining neural networks and repairing injuries lies at the core of a promising new study on Alzheimer's disease from the USF Health Byrd Alzheimer's Center and Research Institute.

Two new papers from Clinical Gastroenterology and Hepatology and Gastroenterology shed light on how gut-brain interactions, influenced by both biology and life circumstances, shape eating behaviors. Together, they highlight the importance of multidisciplinary, personalized approaches to digestive health and nutrition.

As we age, what and how much we eat tends to change. However, how meal timing relates to health remains less understood. Researchers at Mass General Brigham and their collaborators studied changes to meal timing in older adults and discovered people experience gradual shifts in when they eat meals as they age.

Is it possible to treat obesity without reducing food intake? A new study co-led by Dr. Antonio Zorzano and Dr. Manuela Sánchez-Feutrie at the Institute for Research in Biomedicine (IRB Barcelona) suggests that this might be a possibility, at least in animal models.