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.
, I dive with sharks everyday! Many people that find out I dive with sharks on a daily basis ask me this question with horror and concern written all over their face. No, menstration blood does not attract sharks. This is because they're only stimulated by the blood of fish (especially fatty ones such as tuna). They're more attracted to the vibrations and sounds that we make while splashing on the surface of the water, or while diving.