A study published in Stroke last year involved about two thousand people with an average age of sixty-two.

VOA: special.2009.08.12

American children now spend an average of seven and a half hours a day watching television or playing with electronic devices.

VOA: special.2010.06.07

Now,with the vision centers in place, doctors are treating an average of 5,000 patients per center per year.

VOA: standard.2010.05.25