About a million people have Parkinson's disease , according to the Parkinson's Foundation . And, medicine isn't the only way to help ease symptoms.

Juan Rodriguez uses boxing to fight an opponent from within, which is Parkinson's disease . He told CBS News Miami that when he first started boxing, he had trouble walking and could barely stretch due to his diagnosis.

"I wasn't able to do a lot," Rodriguez said. "I wasn't able to put on my socks correctly [and] I had a hard time tying my shoes."

Now, he can wrap up his gloves and throw punches. He learned the essence of training: The more challenging the drill, the greater the progress.

"This thing helped me a lot to do more than I wanted to," Rodriguez said.

He's the youngest boxer at the Box with a Heart program at the Mich

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