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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Ethnic Variations in Prenatal Care within the United States Ethnic Variations in Prenatal Care within the United States
The United States under the Articles of Confederation, 1787 The United States under the Articles of Confederation, 1787
A physician uses a portable electronic tablet to enter patient data while in the examination room. A physician uses a portable electronic tablet to enter patient data while in the examination room.
The physician uses two hands for deep bimanual palpation. The physician uses two hands for deep bimanual palpation.
Leading Sites of New Cases of Cancer in the United States, 2013 Leading Sites of New Cases of Cancer in the United States, 2013
Legal Environment of Business: Online Commerce, Ethics, and Global Issues (Cheeseman) Legal Environment of Business: Online Commerce, Ethics, and Global Issues (Cheeseman)
Video: Protein digestion - stomach & small intestine

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