How Does Secondhand Marijuana Smoke Affect The Brain?

Although some may argue that marijuana isn't as detrimental to one's health as alcohol, those smoking marijuana may not be aware that they're not the only ones they affect. In this episode of The Brain Warrior's Way Podcast, Dr. Daniel Amen and Tana Amen describe the surprising effect secondhand marijuana smoke may have on your brain, especially in terms of its perceived age.