A variety of health conditions, from Parkinson's disease to Alzheimer's, are linked with changes in how a person speaks and sounds. (Getty Images) Everyone gets the occasional frog in their throat ...

I have a secret power: I'm the allergy canary. About a week before the high pollen levels in Washington, D.C., burst forth, my body feels it! My nose is stuffed, my eyes tickle and itch — and my voice ...

Your speaking voice is a little like your cellphone, internet or electricity. You take it for granted and often don’t notice it until it stops working. Then you scream, cry, curse the technology gods ...

Everyone gets the occasional frog in their throat that makes their voice sound different temporarily. Sometimes a cold or seasonal allergies are to blame, especially when you have that post-nasal drip ...