5. Orthorexia

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Eating healthier is something a lot of people have begun to take more seriously in recent years as they realize how the food industry and their processed foods are essentially poisoning us with pesticides, trans-fats and genetically-engineered crops. Most people take a balanced approach to eating healthier and make sensible choices about what they eat. Those suffering from orthorexia, on the other hand, have developed a full-blown phobia about eating anything they do not consider “pure” or completely “natural.”