This article will tell you what happens to your body if you drink alcohol

http://www.niaaa.nih.gov/alcohol-health/alcohols-effects-body

Study proves that drinking heavily even just once can have long-term impacts.

http://www.cadca.org/resources/detail/new-study-finds-just-single-episode-binge-drinking-can-... Read more about The National Institute on Alcohol Abuse and Alcoholism (NIAAA) found that just binge drinking one time can cause damage

Talking to your teens about marijuana can be difficult, take a look at this new tool kit

http://www.drugabuse.gov/news-events/news-releases/2014/05/nida-offers-tools-... Read more about NIDA's new tool kit to help parents talk to their teens about marijuana

Studies show using both substances together impairs driving and judgment to a greater degree than using either substance alone.

... Read more about Teenagers who use marijuana and alcohol together are more likely to engage in unsafe driving