Where did the name El NiÃ±o come from? Why is El NiÃ±o frequently described as a disruption of the usual situation in the tropical Pacific? Should we take El NiÃ±o forecasts with a grain of salt? Why don't you see much in the news about the causes of El NiÃ±o? Does El NiÃ±o originate solely in the tropics, or do the midlatitudes play an important role?
Thick blood is caused by a variety of conditions, such as heavy proteins in the blood, too much blood in circulation or a blood clot system imbalance, according to Southeastern Medical Oncology Center. Diseases such as cancer and lupus can also lead to thick blood. Continue Reading.
Sudden unexplained bruising or blood spots under the skin or a sudden increase in the frequency of bruising may be caused by: 1  A medicine, such as aspirin or blood thinners (anticoagulants). 2  Infection that causes the buildup of toxin in the blood or tissues (sepsis).ruises develop when small blood vessels under the skin tear or rupture, most often from a bump or fall. Blood leaks into tissues under the skin and causes the black-and-blue color.