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childhood
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children in preschool Chinese children playing with marionettes
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Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
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Pregnant woman holding headphones on her belly
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poem. A poet in a Heian period kimono writes Japanese poetry during the Kamo Kyokusui No En Ancient Festival at Jonan-gu shrine on April 29, 2013 in Kyoto, Japan. Festival of Kyokusui-no Utage orignated in 1,182, party Heian era (794-1192).
World Poetry Day
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Close up of praying mantis walking on stone ground against a blurred background in Japan
6 Animals That Eat Their Mates
Nelson Mandela, undated photo.
15 Nelson Mandela Quotes
NBA Lakers Celtics Finals Kevin Garnett shooting.
10 Great Sports Rivalries
Normandy Invasion: Omaha Beach. World War II. D-Day. Infographic. SPOTLIGHT VERSION
Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944
Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet
Major Mass Extinctions
Statue of Nostradamus
Nostradamus and His Prophecies
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
children in preschool
children in preschool

childhood

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News •

Newborn health problems linked to higher risk of death in childhood and adolescence • June 11, 2025, 6:17 AM ET (News-Medical)

childhood, period of the human lifespan between infancy and adolescence, extending from ages 1–2 to 12–13. See child development.

This article was most recently revised and updated by Amy Tikkanen.