Tag Archives: Alzheimer&#039s

How exercise may protect against Alzheimer's

Athletes know a vigorous workout can release a flood of endorphins: “feel-good” hormones that boost mood. Now there’s evidence that exercise produces another hormone that may improve memory and protect against Alzheimer’s disease, according to a study co-led by Ottavio Arancio, MD, PhD, a researcher at Columbia University’s Vagelos College of Physicians and Surgeons and… Read More »

Gum disease and Alzheimer's: Your questions answered

People are questioning a landmark study suggesting that a bacterium involved in gum disease may also cause Alzheimer’s. Here’s what you need to know about the study P. gingivalis may be the main culprit in Alzheimer’s diseaseA. DOWSETT, PUBLIC HEALTH ENGLAND/SCIENCE PHOTO LIBRARY By Debora MacKenzie The publication of evidence that gum disease bacteria may cause… Read More »

Scientists develop new brain scan to detect Alzheimer's disease by 'lighting up' neural plaques

Scientists develop new brain scan to detect Alzheimer’s disease by ‘lighting up’ dementia-causing plaques Researchers identified three radioactive ‘tracer’ molecules that are injected cranially, which bind to and ‘light up’ two proteins in the brain These proteins form clumps and are believed to cause cognitive decline The new tracers don’t indiscriminately stick to other tissues… Read More »