There's a crisis in this country of opioid addiction and overdose death, and it's tied intimately with how we respond to pain. When Angela Bryan was diagnosed with breast cancer, she was keenly aware that opiates were expected to be a big part of her recovery. But she was afraid she might become dependent upon them, and turned her mind to possible alternatives. Like marijuana. Angela lives in Colorado, which is a legal state, after all.

In the second installment of our miniseries "Medicine vs. Marijuana," Angela decides to conduct a scientific experiment on herself.