substance use information

• Use of addictive substances—tobacco/nicotine, alcohol, marijuana and other drugs—during adolescence interferes with brain development, reduces academic performance and increases the risk of accidents, homicides, suicides and serious health conditions, including addiction. 
• Teens and young adults are more inclined than adults to take risks, including smoking, drinking or using other drugs. Use of any addictive substance while the brain is still developing increases the chances of future use of that and other addictive substances. 
• People who began using addictive substances before age 15 are nearly 7 times likelier to develop a substance problem than those who delay first use until age 21 or older
• Every year that substance use is delayed during the period of adolescent brain development, the risk of addiction and substance abuse decreases

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Source: 

Center on Addiction: https://www.centeronaddiction.org/addiction-prevention/teenage-addiction