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
A woman was told she had breast cancer, just months after a scan at a Lancashire hospital had given her the all clear.
Weather details for the long weekend
The Liverpool manager Brendan Rodgers is praising the ''hunger'' his new signings have brought to Anfield.