BOSTON: Leonard Nimoy has been diagnosed with chronic lung disease. The 82-year-old actor - famous for playing Mister Spock in the original ‘Star Trek’ TV series and movies - has developed obstructive pulmonary disease, despite quitting smoking 30 years ago, and has urged his fans to ditch the cigarettes before it’s too late. He wrote on Twitter: ‘’I quit smoking 30 yrs ago. Not soon enough. I have COPD. ‘’I’m doing OK. Just can’t walk distances. Love my life, family, friends and followers. Nimoy was spotted last month in New York City leaving the hospital in a wheelchair.–ES