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Myocardial infarction remains one of the leading causes of death worldwide. Following an infarction, part of the heart muscle is irreversibly damaged and replaced by scar tissue, which, while structurally necessary, compromises cardiac function and may lead to chronic heart failure.

Catching pancreatic cancer early can increase the five-year survival rate from 15% to 80%. Patients with pancreatic cysts, frequently detected during unrelated abdominal CT or MRI imaging, can develop malignant pancreatic cancers. In a new study, Mass General Brigham investigators showed that patients with low-risk pancreatic cystic lesions (PCLs) have approximately 14 times higher risk of developing pancreatic cancer than the general population.

How can robots and humans work together as effectively as possible in the operating room of the future? Researchers from the Technical University of Munich (TUM) and TUM University Hospital investigated this question as part of the ForNeRo research project. Using a sensor-equipped system, they analyzed surgeons’ movements during procedures and collected data from simulated robot-assisted operations.

In a 2026 study I conducted with colleagues on people with peripheral arterial disease, one participant described how leg pain had disrupted his golf for years. It forced him to stop mid-round, shake his leg and apologize to his playing partners while he waited for the pain to pass. He found it mortifying. Then he tried a small electrical device that delivered gentle pulses through pads stuck to his skin. He still had pain. But he could get round the course.

The Sabiá virus causes an acute hemorrhagic and neurological syndrome. Four fatal cases have been recorded in the state of São Paulo since 1990. The virus has been circulating in Brazil for about 142 years. Genomic analyses of two cases recorded in 2019 and 2020 show that the virus has undergone genetic changes over time, which explains why it was not identified by existing tests.

More than one in 10 children with medical complexity had an incident reported by home care agency staff, according to a multi-state study recently published in JAMA Network Open. Half of reported events were safety related and a quarter caused harm to the child.

Around one in every 100 people worldwide has vitiligo—a chronic, autoimmune skin condition that causes the skin to appear lighter in patches.

Migraine with aura was associated with an increased risk of ischemic stroke in middle-aged and older people, according to a study published , in Neurology. Migraine without aura was not associated with an increased risk. The study does not prove that migraine with aura causes an increased risk of stroke, it only shows an association.

Quitting smoking may be associated with a lowered risk of dementia, especially for people who avoid major weight gain after quitting, according to a study published in Neurology. The study does not prove that quitting smoking lowers the risk of dementia and cognitive decline, it only shows an association.

When health policy researchers at the Brown University School of Public Health tracked data from primary care practices that had been acquired by private equity firms, they found something surprising: not all of the changes were detrimental.