Dr. Al-Heeti is the brother of CNET video producer Abrar Al-Heeti. While no one loves to get their blood drawn, these tests can reveal much about our health, providing information on everything ...
A test for fecal occult blood looks for blood in your poop ... such as colonoscopy (in which the doctor uses a flexible tube with a tiny camera on it to check your entire colon); CT colonography ...
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