Disorders of the brain are difficult to treat, as medications can't be delivered to only the parts of the brain that need them. That could soon change thanks to a new system developed at MIT, which uses a hair-sized needle to directly deliver medicine to specific parts of the brain. TARGETED TREATMENT Researchers from MIT have created a system that can deliver medicine directly to areas of the brain as small as one cubic millimeter. Using a needle the size of a human hair, the system could make it possible to directly treat diseases affecting the brain through specific circuits or regions without injuring or interacting with other nearby areas. The study has been published in the journal Science Translational Medicine . The ultra-thin needle contains tubes that can deliver drugs deep into the brain. All of the components used are very fine, which gives the doctor performing the procedure as much control as possible in terms of placement and depth of the needle, as we
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