2 posts tagged ‘medical research’
Your sleeping brain pulses like a pump to flush out toxins
Boing Boing,
Scientists have discovered a crucial mechanism behind one of sleep's most vital functions — cleaning toxins from the brain. The process relies on a rhythmic cycle of vessel squeezing and relaxing, driven by pulses of norepinephrine during deep sleep. Researchers at the University of Copenhagen used advanced imaging techniques to watch brain blood vessels and fluid movements in real-time while mice slept naturally. — Read the rest The post Your sleeping brain pulses like a pump to flush out toxins appeared first on Boing Boing.
ADHD symptoms improve when life gets busier, according to study
Researchers who tracked 483 people with ADHD for 16 years discovered that ADHD symptoms actually improved when life got busier. "We expected the relationship between environmental demands and ADHD symptoms to be the opposite of what we found," said Margaret H. — Read the rest The post ADHD symptoms improve when life gets busier, according to study appeared first on Boing Boing.