Permanent Health Spells, Is this just horribly broken? Options

[spotlite]

OK, I've had a check in MITS book, and I've done a search here, and I can't find anything to suggest that designing a permanent effect, attribute boosting health spell would not be perfectly within the rules. Its not restoring someone to normal health, so you take the +1 level modifier for permanent spell, but there's nothing to stop you learning an increase attribute spell for each attribute and then casting it and having all your stats (or those of your team mates) boosted, and boosted permanently.

That can't be right, can it? Someone tell me I missed something? I'm just waiting for my players to figure this, and then suddenly I'm dealing with a bunch of characters with all their attributes (at least the non-cybered or biowared ones unless the mages learns some extra spells) probably 3 to 4 points higher than they were previously. You couldn't dispell it, and it wouldn't be astrally active or noticeable in astral once the signature has faded.

Apologies if this has been asked before, I did search for it and didn't find anything.