Innovative surgery relieves chronic leg and arm swelling
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Updates every hour. Last Updated: 1-Jun-2026 22:15 ET (2-Jun-2026 02:15 GMT/UTC)
A new review from the Icahn School of Medicine at Mount Sinai and the Hospital Clínic de Barcelona provides one of the clearest roadmaps to date for understanding and treating liver cancer, one of the deadliest cancers worldwide.
Researchers at Karolinska Institutet and KTH Royal Institute of Technology in Sweden have developed an improved method for creating insulin-producing cells from human stem cells. The results, published in Stem Cell Reports, demonstrate that these cells effectively regulate blood sugar levels in laboratory tests and can reverse diabetes in mice.
As cataract surgery evolves toward a precision refractive paradigm, the accuracy of postoperative refractive prediction for intraocular lenses (IOLs) has become a core metric for surgical success. Axial Length (AL) measurement precision is the primary factor determining IOL power prediction error (PE). However, traditional optical biometers often employ a calculation model based on a single average refractive index for the entire eye. This "one-size-fits-all" estimation method frequently introduces systemic biases when dealing with anatomically complex eyes, such as those with extreme axial lengths. A clinical study recently published in Eye Discovery (2026), titled "Accuracy of intraocular lens formulas using a sum-of-segments axial length biometer in an Asian population," addresses this gap. Conducted by the ophthalmology team at Tan Tock Seng Hospital in Singapore, the research provides a systematic evaluation of the novel Argos biometer within an Asian cohort.
An interdisciplinary, multi-institution team of researchers from the University of California, Irvine, Caltech, and the Keck School of Medicine of USC is the first to use a bidirectional brain-computer interface to control the gait of a walking exoskeleton. The system enables patients suffering spinal cord impairments to regain both the ability to walk and the associated sensation, which results in safer, more realistic movement. The project was funded by the National Science Foundation.
A new study shows that a specific type of silicone, the so-called methylsiloxanes, are widely present in the atmosphere across diverse environments. Also, concentrations appear to be much higher than expected. According to the researchers, this raises concerns about their potential, yet poorly understood, effects on human health and the climate. Methylsiloxanes, are commonly used in industry, transportation, cosmetics and household products. The study was supervised by Utrecht University and the University of Groningen, and the results were published today in Atmospheric Chemistry and Physics.