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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

world percentage of religion world percentage of religion
Research Report Evaluation Worksheet Research Report Evaluation Worksheet
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Percentage of higher-income Canadian households Percentage of higher-income Canadian households
Plot of the percentage of X-linked recessive mutations Plot of the percentage of X-linked recessive mutations
Monkey report Monkey report
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

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