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
The 2015 First Utility Super League Grand Final has officially sold out.
The daughter of murdered British aid worker Alan Henning has made a moving video tribute to her dad.
A £44 million upgrade has been unveiled at a railway station in Manchester once branded the worst in Britain.