1 Angina Pectoris: It is described as a pain located at the back of the breast bone which may be sharp or dull. This sensation may radiate or crawl to the hand, arm, left shoulder, or jaw.  Vasculitis: When the small to medium sized arteries are inflamed, head tingling and numbness may result.
Most species of shark eat things like fish, crustaceans, mollusks, plankton, krill, marine mammals and other sharks. Sharks also have a very acute sense of smell that allows them to detect blood in the water from miles away.
1 The test will detect any blood found in the stool, including animal blood. 2  For instance, eating a rare steak the day before the test may change the test results. 3  The test will show if you are bleeding inside your body, but it does not show the source of this bleeding.