ENTERTAINMENT
06/02/2014 06:40 GMT | Updated 06/02/2014 06:59 GMT

Leonard Nimoy, Star Trek's Spock, Diagnosed With Serious Lung Disease

'Star Trek' legend Leonard Nimoy has been diagnosed with a serious lung disease.

The actor - who played Spock in the sci-fi series - is suffering from Chronic obstructive pulmonary disease (COPD), despite giving up smoking 30 years ago.

Leonard Nimoy

Revealing his illness on Twitter, he wrote: "I quit smoking 30 yrs ago. Not soon enough. I have COPD. Grandpa says, quit now!! LLAP."

The disease is actually a collection of lung complaints, including chronic bronchitis, emphysema and chronic obstructive, which make it extremely difficult for the sufferer to breathe.

Leonard as Spock in 'Star Trek'

Leonard had a cameo in the most recent Star Trek film 'Into Darkness' as Spock Prime last year.

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