Key Highlights
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A new study using brain imaging (fNIRS) shows that the best lighting for underground transit systems depends on the time of day, as our brain’s network activity changes with our internal body clock. This finding could help design subway and metro lighting that reduces passenger stress and improves alertness by aligning with natural circadian rhythms.
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UK experts have released new safety guidelines for using the Alzheimer’s drug lecanemab, which requires confirming the presence of amyloid protein in the brain and genetic testing before treatment. These steps are crucial to minimize risks like brain swelling and ensure the medication is given only to patients most likely to benefit from it.
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A large real-world data study found that people with hypertrophic cardiomyopathy (HCM) have more than double the risk of developing a serious heart infection called infective endocarditis compared to the general population. This suggests HCM patients may need to be considered for preventive antibiotics before certain medical procedures, a protection they are not currently offered under existing guidelines.
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