| Young adults -- Sexual behavior -- United States. Matches 1 item |
| Young adults -- Social conditions. Matches 2 items |
| Young adults -- Substance use. Matches 1 item |
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Young adults -- Suffrage. SEE: Voting age Matches 1 item
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Young adults -- Suffrage -- United States. SEE: Voting age -- United States Matches 1 item
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Young adults (Teenagers) SEE: Teenagers Matches 2 items
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| Young adults -- United States. Matches 7 items |
| Young adults -- United States -- Attitudes. Matches 6 items |
| Young adults -- United States -- Conduct of life. Matches 1 item |
| Young adults -- United States -- Congresses. Matches 1 item |