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Information about Marijuana

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Five Myths About Marijuana

1. MYTH: Marijuana is Harmless

TRUTH: Sure, it can’t directly kill you – but that doesn’t mean that pot is risk-free. Regular marijuana use has been shown to be associated with long-term problems, including poor academic performance, memory loss and lung cancer. To a developing brain, marijuana can be especially toxic -- using pot can lead to panic attacks, depression and other mental health problems, not to mention increased anxiety.

2. MYTH: Marijuana is Not Addictive

TRUTH: But what you didn’t know is that more teens enter treatment each year with marijuana as the main substance that they abused. Marijuana is addictive, as it meets the criteria for substance dependence established by the American Psychiatric Association including:

  • Tolerance (needing more of the substance to achieve the same effects)
  • Withdrawal symptoms, using a drug even in the presence of adverse effects (you smoke even though bad things have happened when you do)
  • Giving up social, occupational or recreational activities because of substance use (you quit your sports team or job because they get in the way of your drug use.)
  • The desire for marijuana can have a powerful pull over a user – and can make it hard to quit.

3. MYTH: Marijuana Isn’t As Bad As Cigarettes

TRUTH: Nope, sorry. Pot actually contains many of the same cancer-causing chemicals found in tobacco. Puff for puff, smoking marijuana may increase the risk of cancer more than smoking tobacco does. Therefore, if you smoke pot regularly, you may experience the same breathing problems as those who smoke cigarettes. To put it plainly, walking up flights of stairs will seem difficult, and if you’re an athlete -- that unattractive wheezing and coughing caused by excessive smoking won’t look so hot (or feel so good) on the playing fields.

4. MYTH: Driving While High is Safer than Driving Drunk

TRUTH: Hardly. In a study reported by the National Highway Traffic Safety Administration, even a moderate dose of marijuana was shown to impair driving performance, since it affects alertness, concentration, perception coordination and reaction time – essential skills required for safe driving. Researchers also found that 17% (1 in 5) of crash victims under the age of 18 tested positive for marijuana.

5. MYTH: I Can Smoke Pot and Still Get Straight A’s

TRUTH: Hey, anything is possible – but there has been a lot of research done that states the opposite. Researchers have found that heavy marijuana use may be especially problematic during peak learning years, when the brain is still developing, since smoking pot can impair your ability to concentrate and retain information. This can cause poor academic performance. You might think you’re doing well in school – but you’ll never know if smoking pot is inhibiting your true academic potential. 

SOURCE: Unless otherwise specified: "Marijuana Myths & Facts: The Truth Behind Popular Misperceptions." ONDCP and NIDA