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Recent research from the Tanz Center for Research in Neurodegenerative Diseases in the University of Toronto’s Temerty Faculty of Medicine is challenging long-held views of how a hormone called somatostatin influences the earliest stages of Alzheimer’s disease.

The ACT Labor-Greens government is currently considering legalizing voluntary assisted dying, as has recently occurred in all six Australian states. But the results of community consultation on the topic suggest the ACT’s proposed legislation may differ in significant respects from the model adopted by other Australian states and territories.

While a little more than half of American adults think they’ve had COVID-19, the reality is about 77.5% have been infected at least once, new government data shows.

Bicuspid aortic valve is the most common congenital defect in humans, affecting between 1% and 2% of the population. Instead of the usual three symmetric leaflets, affected individuals have two asymmetric valve leaflets. This defect is a frequent cause of aortic stenosis and endocarditis and is associated with early calcification of the aortic valve. Currently the only effective treatment is valve replacement surgery.

It’s unusual to throw a birthday party for a health care system, but that’s exactly what the U.K. is doing for the National Health Service, a beloved but increasingly creaky institution that turns 75 on Wednesday.

Hand tremors and slowed movements are two of the most widely recognized hallmarks of Parkinson’s disease, and for many sufferers the first indication that something is amiss. But by the time these symptoms manifest, those patients have already lost 50–80 percent of their dopamine neurons—a mass die-off that causes the neurodegenerative disease. Malfunctions in dopamine-dependent areas of the brain are responsible for many of the symptoms, which differ from person to person in an unpredictable way.

It may be a technology developed in the 19th century, but James Cook University researchers have found radio still offers a surprising range and depth of experience to listeners today.

Professor Daniel Hermens, who leads the Longitudinal Adolescent Brain Study (LABS) at UniSC’s Thompson Institute, has published research in the journal Futures suggesting the future of preventative mental health could lie in giving 12-year-olds brain scans.

With a new method for examining virus samples researchers from the University of Copenhagen have solved an old riddle about how Hepatitis C virus avoids the human body’s immune defenses. The result may have an impact on how we track and treat viral diseases in general.

In a world-first, 3D holographic images of an embryo have been developed as part of a collaborative research project between the University of Adelaide and University of St Andrews. The images are created using miniscule amounts of light in a fraction of a second.