...well they can be fattening to some people because they contain a lot of starch (more starch than sugar) so if you are that way inclined stick to maybe the one a day theory.
Tennis players seem to get by on more than one a day.
Excellent food for you.....but as already mentioned more calorific than other fruits......Not that that should worry you...you must be as light as a fairy!
Never heard that one though, but then even the "experts" change they minds willy nilly!