Summary of Leo Galland & Jonathan Galland's The Allergy Solution is a self-help book for people who want to understand the root causes of allergies, how they manifest biologically, and how to heal them naturally without resorting to potentially harmful drugs. In his four decades as an internist, Leo Galland has healed a range of common allergic diseases, such as hay fever and eczema, as well as an increasing number of hidden allergies, which can result in weight gain, mood swings, poor digestion, and muscle aches. In conventional allergy treatment, sufferers first try to figure out what it is that they are allergic to and then take appropriate medication to dispel the related physical symptoms. Galland, however, believes that allergic responses are the result of immune system imbalance. Therefore, to properly address symptoms, it's imperative to get to the root cause of why the immune system is malfunctioning in the first place...