For one, the body is not ... A sore throat is often the natural result of inflammation created when your immune system is fighting off a virus lodged in your upper airways. The swelling and ...

Sinus infections (also known as sinusitis) strike more than 30 million Americans each year. And if you're one of them, you're ...

slippery substance found in your throat and lungs. It helps keep your respiratory system healthy: Phlegm helps trap bacteria and other harmful particles so they do not enter your body.

Do you know which foods amp up your protection against colds and flu the most? We asked top nutrition experts to reveal the ...