This story was originally published in 2022; it has since been updated. It started with a tickle in your throat. Then, it evolved into congestion, and maybe a little cough. Perhaps you lost your voice ...

As the holidays brought many of us closer to friends and family — perhaps in large gatherings where there was lots of hugging, laughing and eating together — the inevitable early-winter surge of ...

Meta-analysis of 64,086 participants shows no significant overall reduction in acute respiratory infections with vitamin D supplementation, though children and those on daily low doses may see ...