Can dirty air be bad for the brain? A new study suggests that smog and other air pollutants may contribute to Alzheimer’s, a disease that causes progressive memory loss and dementia, and affects millions of people around the world. Scientists do not fully understand what causes Alzheimer’s, especially as people age, but think health, genetics and environmental factors contribute. Deborah Block has a report.
There are many challenges to getting around in a wheelchair - physical barriers like bumpy roads and uneven surfaces... and psychological ones, from having to interact with the world from a seated position. Now, a stand up wheelchair has been developed for use outside. UpnRide can travel on sidewalks and streets that are not level without tipping over. VOA’s Deborah Block reports.