The decision has been made on the recommendation of his medical team, following extensive consultations with leading cardiologists both in the United Kingdom and Europe.
Since suffering my heart attack and being discharged from hospital, I have remained utterly positive in the belief I could one day resume my playing career and play for Bolton Wanderers once again.
As part of my on-going recovery, last week I travelled to Belgium to seek further medical advice from a leading cardiologist.
But the news I received was obviously not what I had hoped it would be and it means I am now announcing my retirement from professional football.
More top news
Rain spreading eastwards slowly through Friday, accompanied by strengthening winds. Kerrie has the detail as we head towards the weekend
Tommy Fleetwood feared he had let his supporters down after making a disappointing start in his hometown Open at Royal Birkdale.
Three days to go......but is it rain or shine? Showerproofs or shades?