4 signs you have heart failure that you probably don't know, including those more likely to affect women - Yahoo! Voices

Early heart-failure symptoms — including nausea and vomiting — can be "harbingers" of impending death, according to the American Heart Association.

• Heart failure happens when the heart can't pump enough blood and oxygen to other organs.
• Early, subtle symptoms of failure can be "harbingers" of death, the American Heart Associati… [+3347 chars]
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