This viral sleep hack, called cognitive shuffling, has TikTok talking. Try it tonight and see if it improves your sleep.

That sounds almost like a political statement these days, but it shouldn't be. No matter what politicians, activists and others with an agenda tell you, the reasons for optimism far outweigh the case ...

While children play in winter wonderlands, families nestle together near the fire, and workers attend their annual holiday party, viruses are plotting to give them a cold. As an infectious disease ...