Why do I Wake Up With a Black Tongue?
It could be because you have poor dental hygeine. You can also get a black tongue if you smoke. Pepto Bismal has been known to cause those problems.
Nine ways to master this topic
Sometimes you simply need a fresh perspective to solve a challenge. Click here
for a random insight from history's great thinkers.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.