Electronic screen alert: Avoid this vision risk

@HarvardHealth Looking at a screen too long? http://bit.ly/2fu1nbx

There are many reasons to restrict the amount of time you spend in front of an electronic screen. For example, more hours sitting at a computer or smartphone means fewer hours of being physically active, and looking at a computer screen at night can stimulate the brain and make it difficult to fall asleep. Click link to read more…