These sprays and mists, like Nasol Natural Nasal Sinus Spray (buy on Amazon, $39.95 for two bottles) and Sinus Buster Nasal Spray (buy at SilverSinus.com, $21.95) contain capsaicin, the substance ...

Spray it ain’t so! It’s bad enough you’re brushing your teeth all wrong — now it turns out you’ve also been abusing your nasal spray. “I was yesterday years old when I learned there ...