"The fitness status of many older people is inadequate to safely cross streets at pedestrian lights " http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0182180 …pic.twitter.com/6b8RrOFV5S
10:36 PM - 31 Jul 2017
from Bonn, Germany
0 replies
7 retweets
15 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.