来自MSN21 小时
What Is a Sinus Headache?
For some people, the classic symptoms of a sinus infection, including nasal congestion and discharge, are also accompanied by ...
Parade on MSN15 小时
What Does Yellow Snot Actually Mean? Doctors Break It Down
Snot is completely normal. In response to infection, the immune system produces stickier and thicker snot. “Mucus is a ...