Oncology & Cancer

New cancer 'tracer' promises to detect more tumors earlier

For people waiting for imaging tests to diagnose neuroendocrine cancer, time is of the essence. Now, thanks to researchers at the University of Alberta, a new medical imaging agent for PET scans promises to reduce wait times, ...

Diseases, Conditions, Syndromes

Researchers reveal why shingles can lead to stroke

Scientists investigating why people who have had shingles are at a higher risk of stroke, now believe the answer lies within lipid vesicles called exosomes that shuttle proteins and genetic information between cells, according ...

Medications

COVID-19 drug Paxlovid may interact with common heart medications

Heart disease patients with symptomatic COVID-19 are often treated with nirmatrelvir-ritonavir (Paxlovid) to prevent progression to severe disease; however, it can interact with some previously prescribed medications. A review ...

Genetics

Neurodegeneration can be studied long before symptoms arise

Many changes take place in the brain long before symptoms appear. This has been shown in mice in two studies of prion diseases in which the brain gradually deteriorates. The results suggest that changes can be studied extremely ...

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