What Is Heart Disease? Heart disease is defined as any heart condition that is caused by the narrowing of blood vessels, blood clots and/or structural damage to the heart muscle or vessels. According to the Centers for Disease Control and Prevention, heart disease is...
What Are the Types of Flu? There are three main strains (or types) of the flu—A, B and C. Of the three, Flu A typically spreads more quickly and has more severe symptoms. If you test positive for Flu A, the virus will usually last anywhere from three to seven days....
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