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All Videos for Marijuana

Smoking Marijuana vs. Using a Cannabis Vaporizer

Cannabis vapor has less tar, but may contain more ammonia. What happens to respiratory symptoms when regular users of joints, blunts, pipes, and bongs switch to a vaporizer?

Effects of Smoking Marijuana on the Lungs

There is unequivocal evidence that regular cannabis smoking causes acute lung inflammation, but what are the long-term consequences?

Marijuana Legalization and the Opioid Epidemic

What happened in states after medical marijuana laws were passed? Did opioid overdoses go up, stay the same, or go down?

Will Cannabis Turn Into Big Tobacco?

There are some serious public health concerns about the legalization of marijuana, but they’re probably not what you might expect.

Does Marijuana Cause Permanent Brain Damage in Adults?

If you start smoking marijuana as an adult, how much cannabis is too much?

Does Marijuana Cause Permanent Brain Damage in Teens?

Is the American Academy of Pediatrics’ opposition to cannabis legalization just reefer madness revisited?

Does Marijuana Cause Health Problems?

Every year, cannabis is estimated to result in two million years of healthy life lost due to disability. How much is that compared to alcohol and tobacco?