A fracture is a break in a bone, sometimes accompanied by extensive swelling of the surrounding soft tissues, bleeding into muscles and joints, rupture of the tendons, contusion or severing of nerves, and damage to major blood vessels. Injuries are the most frequent cause of fractures, which are most common in men between the ages […]

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A hangover is the term commonly used for a group of unpleasant symptoms often experienced after an episode of excessive and usually intoxicating use of alcoholic beverages. The name is derived from the fact that these symptoms appear after the intoxication has subsided and alcohol no longer remains in the body. Sometimes the condition lasts […]

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The term “chiropractic” is derived from two Greek words- cheir, ‘ meaning “hand,” and praktikos, meaning “effective”. Practitioners of this form of drugless therapy hold that the nervous system integrates all of the body’s functions, including its defenses against disease, and that when the nervous system is impaired in any way (as by pressure on […]

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Anaphylaxis is an acute allergic reaction that occurs after a person has been injected with, or has eaten or inhaled, a substance to which he has previously been sensitized. This reaction, known also as anaphylactic shock, is brought about when the substance, called the antigen, reacts with antibodies that have previously been formed against it. […]

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Hay fever is an allergic reaction to the pollen of certain plants, especially grasses, trees, and weeds. Hay fever affects 5% to 10% of the population of the United States and occurs somewhat less commonly in other regions of the world. Although hay fever may occur at almost any age, it is most often recognized […]

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A boil is a localized bacterial infection of a hair follicle. Nearly all boils are caused by Staphy-lococcus aureus, a bacterium that produces a number of locally harmful toxins. During the stage of infectious invasion, the microorganism penetrates the epidermis of the follicle, starts to multiply, and produces a toxin that damages or kills the […]

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Types of Wounds Wounds may be classified according to the causative agent, either specifically, such as knife, bullet, or shrapnel wounds, or generally, such as burn or crushing wounds. Surgeons usually classify wounds on the basis of their gross appearance: incised, a sharp, clean cut due to a cutting instrument; lacerated, a more jagged, irregular […]

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Breasts are a pair of glandular organs of the human female that secrete milk for nourishing a newborn infant. The breast consists of 15 to 25 irregularly shaped lobes. Between the lobes are connective tissue and large amounts of adipose (fat) tissue. Leading from each lobe is a duct, the lactiferous duct, which opens to […]

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A nevus is a a birthmark or mole. In broad usage, a nevus (or naevus) is any nonmalignant mark, spot, or growth in the skin believed to be of essentially congenital or developmental origin. In more restricted usage, a nevus is a lesion that primarily contains an accumulation of cells derived from the embryonic neural […]

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Pedodontics, or pediatric dentistry, is the provision of dentistry for children. Children have special dental needs as they produce two sets of teeth and hence have more teeth to care for than adults. Teeth start forming at a very early stage before birth below the gums. As the teeth calcify and grow, they push their […]

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