I firmly believe that appropriate sun exposure is the best way to optimize your vitamin D levels. In fact, I personally have not taken a vitamin D supplement for three or four years, yet my levels are in the 70 ng/ml range. If you can't get enough sunshine, then a safe tanning bed would be your next best option.
Citizenship Day is celebrated annually on 17 September. The federally-observed holiday coincides with the creating and signing of the U.S. Constitution at the Constitution Convention in 1787. Citizenship Day is an occasion to pay tribute to all the individuals who have become American citizens. Also, the holiday is the first day of Constitution Week.
Digital Citizenship is a concept which helps teachers, technology leaders, and parents talk about what all users should know regarding appropriate technology use. Digital Citizenship is more than just a teaching tool; it is a way to prepare students/technology users for a society full of technology.