Strength in Numbers dedicated to my late mother Kay

Buzzer in your brain to boost dementia drugs: Device that ‘opens up’ brain could allow treatments to be vastly more effective

Scientists have developed a device that acts like a key in the brain, ‘opening’ it up to allow drugs for conditions such as dementia and cancer to be vastly more effective and trigger fewer side-effects. A device about the size of a 5p piece is inserted into the skull where it emits low-level sound waves that make it easier for drugs to pass through the defences of the brain, known as the blood-brain barrier. The blood vessels in the brain have a much tougher lining compared with blood vessels in the rest of the body – the cells in the former are very tightly packed, which stops most compounds or potential toxins escaping out of the blood vessels and harming the surrounding brain cells.

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