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 ...

Whether you’re fighting off a winter cold or seasonal allergies, experts share how to find some relief. View Entire Post › ...

Nasal vaccine devices have the potential to offer more convenient and more effective protection against a variety of viruses.