Students who have used marijuana one or more times during the past 30 days in New Hampshire

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Why This Indicator Matters

Substance use during adolescence, a critical time in brain development, can cause long-term,
potentially permanent, changes to the brain. Adolescent substance use, including of alcohol, marijuana, and nicotine, has been associated with impairment in a number of areas: cognitive functioning, increased risk of future substance use disorders, elevated rates of school dropout, an elevated risk of developing psychotic illnesses, and an increased rate of engaging in risky behaviors.

Additionally, teens that begin using addictive substances prior to age 15 are seven times more likely to develop an addiction than those who wait until they are 21 or older. As substance abuse costs our nation over $740 billion per year in health care, crime, and decreased productivity (National Institute on Drug Abuse, 2017), substance use is a serious threat to public health and the economy.
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Data Provided By

Definitions: This indicator reports the average percentage of students in grades 9 through 12 at high schools participating in the 2017 Youth Risk Behavior Survey (YRBS) who said they had used marijuana one or more times in the past thirty days. This data is displayed by Regional Public Health Network.

155 students were excluded from this analysis. Central NH, Carroll County, South Central, and Seacoast Public Health Regions are not weighted and are excluded from this analysis due to low overall response rate (<60%). 

2017 YRBS question: 45. During the past 30 days, how many times did you use marijuana?

Data Source:

Data source: New Hampshire DHHS 2017 Youth Risk Behavior Survey

National Institute on Drug Abuse. (2017). Trends & Statistics. 

National Institute on Drug Abuse. (2018). Marijuana.