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. It can ...

Yellow 5, also known as tartrazine or FD&C yellow #5, is a synthetic yellow food dye suspected of being linked to health problems ranging from allergies to hyperactivity in kids to cancer. It is one ...

A telltale sign you’re getting sick is excess mucus, and if you’ve ever been desperate to stop coughing and sneezing, you’ve likely examined your mucus color, from yellow to green ...

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