Steve Jobs’ health has long been a topic of discussion among both tech sites, and people who own stock in Apple. It’s no secret that Jobs, to all intents and purposes, IS Apple, and investors know this, such that every time there’s a rumour about his health, Apple’s stock takes a nosedive.

Well, Jobs has come out and set the record straight, blaming a “hormone imbalance” for his weight loss. In an open letter on the Apple website, Steve has laid out the reasons why he’s been looking a little peaky. He’s undergoing treatment for his ‘mystery illness’, and says he reckons he’ll be back to normal by late Spring. The full text of the letter is over the jump.