Methods of improving mental or physical health conditions of an individual are provided. In a general embodiment, the method provides administering to an individual in need of an improved mental or physical health condition a decaffeinated coffee product comprising an unroasted coffee. The mental or physical health condition can be, for example, sustained attention in the individual, improvement in the individual's mood or alertness, reduced headaches in the individual, and/or improved relaxation in the individual.
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