Yellow or greenish vomit is a sign you're throwing up bile, a digestive fluid produced by the liver. This could indicate a serious medical concern, like a hiatal hernia or intestinal blockage.

Vomiting in the first month of life should always to be taken seriously, especially bilious vomiting.

Dear W.D., Older dogs sometimes naturally get thin almost as if nature meant it to be, so they carry less weight around on ...