The talented attacker was forced to miss the play-off final penalty shoot-out defeat to AFC Wimbledon due to his health concerns that developed during the 4-0 win at Histon on April 25.
Morgan-Smith’s problems were originally linked to his asthma, but there were concerns that the issue could have been greater.
A series of tests followed as he was confined to the sidelines and Town assistant manager Alan Neilson revealed he has been given the go-ahead by the specialist to start his comeback in pre-season.
On what the problem was, Neilson said: “It was a mix of everything.
“All the reports are that Amari had his little heart scare but by the start of the season he should be firing fit with no complications.”
For the full story, see this weeks Luton News / Dunstable Gazette, on sale today