Originally Posted by AnnieB3

You wrote:

And to confuse you even more, recent studies show that while the drug Mestinon may wear off within four hours (or less), it's effects can last up to two weeks or more. The effects I'm talking about are not how Mestinon gives you more acetylcholine for four hours. It's the effects on the immune system that seem to last longer. They believe Mestinon actually has a suppressing effect on the humoral immune system that produces antibodies. Not enough studies have been done on this, however, to "prove" that.