The Friends star checked himself into a rehabilitation facility in May 2011 to "focus on his sobriety".
In a statement, 41-year-old Perry said:
"Im making plans to go away for a month to focus on my sobriety and to continue my life in recovery."
He has had two previous rehab stays to receive treatment for his addiction to painkillers and alcohol.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
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