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Those words, despite the frequency at which we hear them, often strike terror in our hearts. When should you call a... »

A-Z Guide

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We know that hepatitis B virus (HBV), human immunodeficiency virus (HIV), and cytomegalovirus (CMV) can live in... »
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A brief, temporary loss of consciousness following a blow to the head is called a concussion. It is possible to have a... »
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Contact transmission requires some form of touch to spread an infection. Direct contact transmission involves immediate... »
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If we don’t have enough body water, or if the concentration of electrolytes in that water gets out of balance, we are... »
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Elbow subluxation is a common injury in toddlers and preschool children. It is most common when children are swung,... »
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A fracture is a break in a bone. There are many different types of fractures and they can behave quite differently. »
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Heat stroke is very serious. A person's temperature rises over 104 degrees and he or she has an altered mental status. »
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Blood can flow from the nose for many reasons, most of which are not serious. Moreover, the amount of blood lost from... »
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Strains are injuries to muscles, or to the tendons that connect muscles to bones. Strains may happen near joints, but... »