One of the challenges of laparoscopic surgery lies in getting surgical instruments into the patient's body via a narrow catheter. Scientists have set about addressing that problem, with magnetic instruments that pop into and out of shape as needed.

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By removing certain amino acids from the diets fed to rodents suffering from glioblastoma, researchers found that brain cancer cells began dying. What's more, mice put on the restrictive diets were also more receptive to chemotherapy treatment.

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Cancer cells are notorious for evading detection by the immune system. But a promising new type of genetically engineered T-cell that can effectively destroy solid cancer tumors may be just what the doctor ordered.

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While weight-loss surgery is effective, it can also be expensive and come with a host of unpleasant side effects. Scientists hope that by regulating a certain bile acid, the benefits of surgery can be replicated without a single invasive procedure.

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While three million Americans suffer from a nut allergy, there's little in the way of medical intervention. But in a world first, researchers have taken a cue from the pandemic vaccines and used mRNA technology to help the immune system fight back.

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Missing medications or not taking them as required can have costly results. Bioengineers at Rice University may have the solution to missed medications, using advanced technology to create a system that delivers time-released drugs.

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Current methods for repairing nerve injuries can be hit-and-miss. For the first time, researchers have combined two kinds of silk - from silkworms and spiders - to create a promising, biocompatible method of regenerating injured nerves.

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Evidence has been mounting that high blood pressure can clear a path to dementia. Now, for the first time, researchers have identified the nine areas of the brain that show how, opening the door to potentially preventing related cognitive decline.

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This internal fuel cell powered by excess glucose in the blood works in tandem with engineered beta cells that can produce and secrete insulin on command. It could spell a new level of autonomy in treatment for type 1 diabetes sufferers.

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Some cancer cells develop resistance to chemotherapy. Belgian scientists have investigated the cause of chemotherapy resistance and switched off the gene contributing to it, making cancer cells more sensitive to treatment.

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