Audie Cornish

If you've been watching the Democratic National Convention in Philadelphia on TV, you've probably seen it happen a few times already: Every few minutes, a fresh wave of brightly colored signs — bearing campaign slogans like "Stronger Together" or "Love Trumps Hate" — spreads across the convention floor like wildfire.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit NPR.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Across the U.S., more than 20 million people abuse drugs or alcohol or both. Only about 1 in 10 is getting treatment.

People seeking treatment often have to wait weeks or months for help. The delays can jeopardize the chances they'll be able to recover from their addiction.

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