Light blocks the brain from making melatonin, the sleep hormone. Light at night can increase the risk of accidents due to daytime drowsiness. Nighttime light exposure can raise the risk of chronic ...
A representation of ultrawideband PVDF/co-polymer-based ultrasound (US) transducer technology for high-frequency hemispherical optoacoustic tomography and its potential use in hand vascular, dental, ...
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