In the northern hemisphere, darkness now falls before dinnertime. Most northern latitudes have less than ten hours of daylight in November – meaning most people spend the majority of their day light hours at work.
Evidence clearly establishes that darkness impacts the moods and mental health of millions of people. Seasonal Affective Disorder (SAD) is a well-founded medical condition that affects about 5 percent of Americans; and another 15 percent experience a milder form of SAD, often referred to as the “winter blues.” [Read more…]
More than 80 percent of teenagers now have smartphones in the U.S. In fact, half of all U.S. youth get their own personal phone by age 11 – up nearly 20 percentage points from four years ago, according to
