it dose not matter how tall or old or what gender you are or what grade you are in be a big elaphant be kind be caring don't be mean or heartless!(me and my gorgeous bestie and me and my amazing sister

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.