There have been concerns about Apple Boss, Steve Jobs, since he appeared thinner-than-usual Jobs to introduce the iPhone 3G at a conference in San Francisco.

Apple responded saying Jobs was suffering from a common bug, but then said that his health was a private matter.

However, in an off the record chat with a New York Times journalist, Jobs has admitted that there was more to his health problems but fears that he is suffering from cancer again are unfounded.

The New York Times columnist Joe Nocera wrote: "While his health problems amounted to a good deal more than 'a common bug', they weren't life-threatening and he doesn't have a recurrence of cancer".

He added that he was not at liberty to reveal any details though: "Because the conversation was off the record, I cannot disclose what Mr. Jobs told me", he added.

They had been concerns from investors that Jobs could again be suffering from pancreatic cancer, following the admittal that the 53-year-old Apple CEO had undergone successful surgery to remove a rare type of this cancer in 2004.

The New York Times report, howevert, blew away concerns and citing people close to Jobs, the article said Jobs had told associates and Apple directors he was dealing with nutritional problems in the wake of his cancer surgery.

He also said that he had had surgery this year to fix a problem contributing to his weight loss.