Leonard Nimoy, known as Spock in Star Trek told fans that he has lung disease.

According to the Daily Mail, Nimoy said on a post on Twitter, “I quit smoking 30 years ago. Not soon enough. I have COPD. Grandpa says, quit now!! LLAP [Long Live and Prosper].”

COPD is short for chronic obstructive pulmonary disease. The uncomfortable condition restricts breathing.

Nimoy was born in Boston. The actor, 82, has starred in an extraordinary amount of Star trek shows and films. According to the The Independent, Nimoy has starred as Spock since 1966. The popular character is often remembered at science fiction conventions and on television marathons.

He returned to play the Vulcan in Star Trek Into Darkness in 2013. He also played Mr. Spock in The Big Bang Theory on the small screen. Nimoy directed Star Trek IV: The Voyage Home, Star Trek III: The Search for Spock, and 3 Men and a Baby, featuring Tom Selleck, Steve Guttenberg, and Ted Danson.

He told fans to enjoy Trek Fest, the anticipated marathons on television.

Image: Wikimedia Commons