Louise Vincent has used drugs since she was 13. Research shows millions of Americans like her aren't ready or able to stop. Vincent believes it's time people accept that.
For years, people who used drugs were treated like criminals, often given long sentences. Now there's growing acceptance that addiction is a treatable disease, but shame and discrimination linger.
Researchers know how to curb the risks of overdose and disease among drug users, but policymakers are reluctant to allow public health measures that include needle exchanges and access to safer drugs.