I don't know who else would agree with me with this suggestion but I feel that reducing the cast time for medicine would make the items under that category beneficial. Yea healers are there for a reason but I don't think they should be challenged to adjust their duties from tanks towards those who are just not capable of dodging. Not only that there are times when you just need the extra mp or tp to carry on the fight and the jobs needed to provide those needs are not available with the party you may be running with.