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Learn how Sofia and her little brother Michael become Research Rangers! Sofia has asthma. This makes it difficult for her to breathe sometimes. Her doctors tell her about a study that she can be part of that will help them understand asthma better. It may even help them find a better way to treat Sofia and other children with asthma. Come with Sofia on her learning journey. What do you think? Do you want to help with research someday? Do you want to lead research studies to help improve people’s health?