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Did you know?

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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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Participant observation, participating and observing in a research setting, is usually supplemented ... Participant observation, participating and observing in a research setting, is usually supplemented ...
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Older people who experienced stressful events in their younger years may show personal growth and ... Older people who experienced stressful events in their younger years may show personal growth and ...
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Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

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