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Data & Statistics

CDC's Tracking Network combines environmental and health information to provide useful data. Find out how extreme heat may affect your health.

Extreme Heat

CDC's Tracking Network combines environmental and health information to provide useful data. Find out how extreme heat may affect your health.

Heroin use more than doubled among young adults 18-25 in the past decade.

Today's Heroin Epidemic

Heroin use more than doubled among young adults 18-25 in the past decade.

  • Page last reviewed: July 22, 2015
  • Page last updated: July 22, 2015
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