Just a few puffs into each nostril, and you're protected against infection from nasty cold viruses - that is, according to claims made for many nasal sprays. Can they really do this?Well, not directly ...

“If symptoms remain mild and gradually improve with rest, hydration, and home remedies, the cold is likely to resolve on its ...

Viruses and germs lurk everywhere: on surfaces that we touch and in the air. People catch most of them by breathing them in. ...