[ad_1] Scientists at WITS university have discovered that biting your fingernails greatly increases your chances of heart disease. They also have seen a likelihood that you life expectance will be dramatically shortened to that of a heavy smoker.The heart problems are caused by Bacterial Endocarditis which is an infection of the hearts inner lining (endocardium) and / or the heart valves. Bacterial Endocarditis occurs when bacteria enters the blood stream, either though Finger Nail Biting or dental procedures. The bacteria then lodges itself heart valves or other damaged heart tissue This will eventually lead to extensive heart damage which will in turn cause it to fail.Apart from finger nail biting, you can contract Bacterial Endocarditis through other forms of surgery or dental procedures, teeth whitening is also a culprit. Some other medical procedures (such as colonoscopy, cryoscopy and sigmoidoscopy) increase the risk of bacteria entering the bloodstream.Flu like symptoms, fever, chills,…