The CDC's purpose is to inform the public of agents and behavior that put persons at risk (like behavior that has the highest risk for AIDS, etc)
Center for Disease Control has gathered the validity-controlled research tests and published warnings:
What You Need to Know About
Marijuana Use and Driving
2017
Fast Facts •
•
After alcohol, marijuana
is the drug most often linked
to drugged driving.
6
Because driving is such a common activity, it’s easy to
forget how you really must stay alert to stay safe. While
it may seem like your body goes on automatic when
accelerating or changing lanes, your brain is actually
in an altered state.
Drugs and alcohol interfere with the brain’s ability to
function properly. Tetrahydrocannabinol (THC), which is
the main active ingredient in marijuana, affects areas of
the brain that control your body’s movements, balance,
coordination, memory, and judgment.
1-3
How does marijuana affect driving?
Driving while impaired by any substance, including
marijuana, is dangerous. Marijuana, like alcohol,
negatively affects a number of skills required for
safe driving.
•
Marijuana can slow your reaction time and ability
to make decisions.
1-3, 7-9
•
Marijuana use can impair coordination, distort
perception, and lead to memory loss and difficulty
in problem-solving.
1-3, 7-9
•
The risk of impaired driving associated with marijuana
in combination with alcohol appears to be greater than
that for either by itself.