A simple squeeze to your arms and legs might benefit your brain — turns out, the added pressure may improve the regulation of blood flow to your brain as well as levels of stroke-protective molecules, a new study suggests. The study found that people who wore an inflated blood pressure cuff on one arm and leg for minutes at a time experienced more controlled blood flow to their brains. This method also increased molecules in the blood previously suggested to play a protective role in the brain, such as in preventing stroke, a group of researchers reported today (May 29) in the journal Neurology. Previous research has suggested that “training” organs by restricting blood flow — and therefore oxygen — to them through periodically compressing the arms and legs may make them more resilient when problems arise. [7 Things That May Raise Your Risk of Stroke] For example, a trained heart may be more resistant to changes in blood flow during a heart attack. And such training may allow the brain to better regulate that organ’s blood flow despite changes in blood pressure, a process called “cerebral autoregulation,” the authors said. “It is generally be...