abstract:The many-body problem is a general name for a vast category of physical problems pertaining to the properties of microscopic systems made of a large number of interacting particles. Microscopic here implies that quantum mechanics has to be used to provide an accurate description of the system.
Byetta is a class of drugs known as GLP-1 analog, which is one approach among many to the problem of getting the body of a diabetic to produce enough of its own insulin (and suppressing its tendency to produce too much sugar).