Dr. Karan Raj detailed how blood in the stool could be a literal red flag for colon cancer. TikTok / @dr.karanr The Amigo then emptied red food coloring into an empty toilet bowl to demonstrate ...
Meanwhile, blood from colon cancer tends to be dark red, bordering on black, because it originates higher in the digestive tract, giving it more time to oxidize and darken. “Blood from cancer may be ...