Jan 19 2026SCIENCE
What Happens to Your Brain When You Lie Down for 90 Days?
Lying down for a long time can mess with how blood flows in your brain. This is what scientists found out when they studied 36 healthy adults who spent 90 days in a head-down bed rest position. They used a special kind of MRI called pseudo-continuous arterial spin labeling (pCASL) to track changes i
reading time less than a minute
