Researchers looked at the habits of over 1200 sixth graders over four years.
Kids whose parents allowed them to watch rated-R movies were up to three times more likely to say it's easy to get cigarettes.
Previous studies show kids with access to cigarettes are at risk of smoking.
What exactly do dreams mean?
Philosophers and psychologists have debated the topic for years and years.
A new survey finds most people think their dreams reveal hidden emotions and truths about themselves; perhaps even more than their conscious thoughts do!
One survey found that dreaming of something horrible, like a plane crash, caused just as much anxiety in a person as hearing about an actual crash.