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Author Question: A foreign key is one or more columns in one relation that also is the primary key in another table. ... (Read 33 times) |
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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The longest a person has survived after a heart transplant is 24 years.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.