What It Is
Short-Term Effects On Brain
Long-Term Effects on Brain
Health Effects
Mental Health
100

What percentage of 12th graders are reported to vape THC daily? 

4%

100

When you eat or drink THC, how long does it take to take affect? 

30 minutes to 1 hour

100

True or false: If you start smoking heavily as a teenager, your IQ goes down. 

True. A study from New Zealand conducted in part by researchers at Duke University showed that people who started smoking marijuana heavily in their teens and had an ongoing marijuana use disorder lost an average of 8 IQ points between ages 13 and 38. The lost mental abilities didn't fully return in those who quit marijuana as adults. 

100

Does smoking marijuana affect your lungs? 

Yes. Marijuana smoke irritates the lungs, and people who smoke marijuana frequently can have the same breathing problems as those who smoke tobacco. These problems include daily cough and phlegm, more frequent lung illness, and a higher risk of lung infections.  

100

True or false. You cannot get hallucinations from marijuana.

False. Marijuana can cause temporary hallucinations.

200

What is the scientific name of marijuana?

Cannabis or Cannabis indica or Cannabis sativa

200

When you smoke THC, it passes from the lungs to the bloodstream to where? 

the brain and other organs

200

True or false: Marijuana does not slow brain development. It enhances it. 

False. Marijuana affects brain development. When people begin using marijuana as teenagers, the drug may impair thinking, memory, and learning functions and affect how the brain builds connections between the areas necessary for these functions.  

200

True or false. Marijuana lowers heart rate. 

False. Marijuana raises heart rate for up to 3 hours after smoking. This effect may increase the chance of heart attack. Older people and those with heart problems may be at higher risk. 

200

True or false. Marijuana can make you feel paranoid.

True. Marijuana can cause temporary paranoia. 

300

When eaten in food, it is called an _____.

edible

300

True or false: It alters your senses and your sense of time. 

True.

300

True or false: Marijuana has no effect upon your memory. 

Researchers who published their findings in the Molecular Psychiatry journal discovered that heavy cannabis users are at risk for developing false memories, even if those users had gone without smoking pot for over a month.

300

True or false. Regular use of marijuana can cause nausea and vomiting. 

True. Regular, long-term marijuana use can lead to some people to develop Cannabinoid Hyperemesis Syndrome. This causes users to experience regular cycles of severe nausea, vomiting, and dehydration, sometimes requiring emergency medical attention.  

300

True or false. Marijuana can be used to treat schizophrenia. 

False. Marijuana can cause worsening symptoms in patients with schizophrenia—a severe mental disorder with symptoms such as hallucinations, paranoia, and disorganized thinking.

400

What is the mind-altering compound in marijuana?

THC

400

True or false: It impairs how you think and problem-solve.

True

400

True or false: Marijuana has no effect upon verbal skills. 

False. As past years of marijuana use went up, verbal memory scores went down; expressed numerically, 50 percent of pot smokers tended to remember one fewer word from a list of 15 words.  

400

True or false. You can fail a drug test from secondhand smoke.

False. Research findings suggest that, unless people are in an enclosed room, breathing in lots of smoke for hours at close range, they aren't likely to fail a drug test.

400

True or false. Marijuana has been linked to improving symptoms of depression and anxiety. 

False. Marijuana has been linked to depression, anxiety, and suicidal thoughts.

500

What is the first and second most addictive drug? 

alcohol and tobacco

500

True or false: It can cause delusions.

True.

500

True or false. Marijuana users feel more pain. 

True. Marijuana users have augmented levels of pain.

500

True or false. Secondhand marijuana smoke just as harmful to your body as secondhand tobacco smoke.

True. A recent study on rats suggests that secondhand marijuana smoke can do as much damage to the heart and blood vessels as secondhand tobacco smoke.  

500

True or false. Marijuana can cause psychosis. 

Probably due to the higher potency of THC in marijuana today compared to the 1960s, there is a greater risk of it triggering psychosis, even in those without a genetic predisposition of schizophrenia.