Texting, talking or listening to music -- what's more dangerous when you're on the go?
12 million Americans report driving under the influence of pot.
A surprising number of parents read and write text messages while driving.
States with primary texting bans see fewer crash victims in the hospital.
Drivers using prescription opioids are at increased risk of causing a fatal accident.
A high number of marijuana users report driving under the influence.
Many older drivers take medications that increase risk of a crash.