Nathan SpencerYou do not have to be in the medical field to understand the effects of hyperthyroidism. Nathan Spencer can attest to that. He is a college professor and preparation for each class takes time and energy; not to mention the act of teaching itself. He ondered why he couldn't focus as well as he used to and why even drinking coffee wasn't helping him like it used to either. It was time to get to the bottom of this. It turned out that he had been suffering from hyperthyroidism and needed to change his diet. It wasn't easy because he had been so used to eating the way he wanted, not knowing what kind of effect it was having on him. Fortunately for him, that was the solution and he continues to maintain it. But that won't be the case for everyone. He feels that the information provided in his book is a great start for anyone that suspects they have hyperthyroidism and wants to know more about it. Read More Read Less