What brain scans can reveal, and why they don't always explain symptoms
In 2007, researchers in the Netherlands scanned the brains of 2,000 people aged 45 and over who were going about their ordinary lives. Seven in every 100 had signs of a stroke they never knew they'd had. Nearly two in 100 had a small bulge in a blood vessel, and a similar number had a tumor that app
<p>In 2007, researchers in the Netherlands scanned the brains of 2,000 people aged 45 and over who were going about their ordinary lives. Seven in every 100 had signs of a stroke they never knew they'd had. Nearly two in 100 had a small bulge in a blood vessel, and a similar number had a tumor that app</p>