British rocker Ozzy Osbourne says he's relieved his debilitating body tremors are from a genetic syndrome -- not his lifetime of drug abuse.

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Osbourne said doctors said he suffers from Parkin Syndrome, a genetic problem with similar symptoms but is different than Parkinson's Disease. He will take medication the rest of his life.

Osbourne, 56, said doctors ruled out Parkinson's disease despite tremors that were "practically destroying my life" as well as multiple sclerosis.

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"I'd always assumed it was the booze and stuff," Osbourne told the World Entertainment News Network. "Now I've found it all stems from the family."

Once doctors diagnosed Parkin Syndrome, Osbourne said his sister told him his mother, aunt and grandmother suffered from the same problem.

"I'm like, 'Thanks for (expletive) telling me'. Me walking around thinking I've got some drug paralysis," Osbourne said.