In the blood, lipoproteins ferry cholesterol and other lipids to cells throughout the body. In the cerebrospinal fluid, they may do the same, but because they are 200-fold more dilute there, ...

Researchers have discovered, in rodents, that fluid that circulates through the brain flows to areas critical for normal brain development and function, suggesting that disruptions to its circulation ...

For a human, one of the first signs someone is getting old is the inability to remember little things; maybe they misplace their keys, or get lost on an oft-taken route. For a laboratory mouse, it’s ...