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Super Smeller (1:19)
Watch this video about super smelling on HowStuffWorks. Researchers found the genetically-altered mice lacked a certain nervous system protein related to smell. See how super smelling works in this video from ScienCentral.
Dry Mouth (1:16)
Watch this video about dry mouth on HowStuffWorks. That sticky, cotton-mouth sensation you may get when you're nervous or after you speak for an extended period is often called "dry mouth". But reports indicate that for 25% of American adults, it... More »
What Causes Halitosis (Bad Breath)? (1:00)
Watch this video about halitosis on HowStuffWorks. Halitosis is the medical term for bad breath, and is caused mainly by rotting food in your teeth. Learn what else can cause halitosis and how to treat this condition in this video from the American... More »
Tips on Preventing Canker Sores from the ADA (0:59)
Watch this video about canker sores on HowStuffWorks. Canker sores are small, non-transferable ulcers in the mouth. Learn how to detect and prevent canker sores in this video from the American Dental Association.
Strep Throat is Worse Than You Think (1:18)
Watch this video about strep throat. University of Florida research shows strep infections may have much larger effects than just a sore throat. Learn about strep throat in this research video from the University of Florida.
