Susannah grew up with a typical North American diet. Sugar was part of that diet, and sweets were a very big part of her family's everyday life.Susannah's mother would serve ice cream every night after dinner, and every weekend she would bake something like a cake, cookies, or a pie.Sugar is a part of daily life, she says, and nobody thought about it.Many years later, when her mother was in a care home with Alzheimer's, Susannah discovered that Alzheimer's is sometimes misdiagnosed Lyme disea...