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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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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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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Common STIs in the United States Common STIs in the United States
Cohabitation in the United States Cohabitation in the United States
Income Inequality in the United States: 1947–2009 Income Inequality in the United States: 1947–2009
Decomposition of Productivity Gap Between India and the United States Decomposition of Productivity Gap Between India and the United States
By the People: A History of the United States, AP Edition By the People: A History of the United States, AP Edition
Kudzu native to Asia is overgrowing trees across the southeastern United States. Kudzu native to Asia is overgrowing trees across the southeastern United States.
Video: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

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